Source Code for Module colour

   1  ############################################################################### 
   2  #                                                                             # 
   3  # Copyright (C) 2006 Edward d'Auvergne                                        # 
   4  #                                                                             # 
   5  # This file is part of the program relax.                                     # 
   6  #                                                                             # 
   7  # relax is free software; you can redistribute it and/or modify               # 
   8  # it under the terms of the GNU General Public License as published by        # 
   9  # the Free Software Foundation; either version 2 of the License, or           # 
  10  # (at your option) any later version.                                         # 
  11  #                                                                             # 
  12  # relax is distributed in the hope that it will be useful,                    # 
  13  # but WITHOUT ANY WARRANTY; without even the implied warranty of              # 
  14  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               # 
  15  # GNU General Public License for more details.                                # 
  16  #                                                                             # 
  17  # You should have received a copy of the GNU General Public License           # 
  18  # along with relax; if not, write to the Free Software                        # 
  19  # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA   # 
  20  #                                                                             # 
  21  ############################################################################### 
  22   
  23  from Numeric import Float64, array 
  24   
  25   
  26 -class Colour: 
  27 -    def __init__(self): 
  28          """Class for all functions relating to colour.""" 
  29   
  30   
  31 -    def linear_gradient(self, value, start, end, colour_list=None): 
  32          """Return an RGB colour array of the value placed on a linear colour gradient. 
  33   
  34          The argment value should be a number between zero and one.  The start and end colours can 
  35          either be strings or RGB colour arrays. 
  36          """ 
  37   
  38          # Translate the end colour to RGB arrays if necessary. 
  39          if type(start) == str: 
  40              # Default (search the molmol list then the X11 list). 
  41              if colour_list == None: 
  42                  try: 
  43                      start = self.molmol_colours(start) 
  44                  except: 
  45                      start = self.x11_colours(start) 
  46   
  47              # Molmol colours. 
  48              elif colour_list == 'molmol': 
  49                  start = self.molmol_colours(start) 
  50   
  51              # X11 colours. 
  52              elif colour_list == 'x11': 
  53                  start = self.x11_colours(start) 
  54   
  55          # Translate the end colour to RGB arrays if necessary. 
  56          if type(end) == str: 
  57              # Default (search the molmol list then the X11 list). 
  58              if colour_list == None: 
  59                  try: 
  60                      end = self.molmol_colours(end) 
  61                  except: 
  62                      end = self.x11_colours(end) 
  63   
  64              # Molmol colours. 
  65              elif colour_list == 'molmol': 
  66                  end = self.molmol_colours(end) 
  67   
  68              # X11 colours. 
  69              elif colour_list == 'x11': 
  70                  end = self.x11_colours(end) 
  71   
  72          # Truncate the value to be between zero and one. 
  73          if value < 0.0: 
  74              value = 0.0 
  75          elif value > 1.0: 
  76              value = 1.0 
  77   
  78          # The position on the linear gradient. 
  79          return value * (end - start) + start 
  80   
  81   
  82 -    def molmol_colours(self, name): 
  83          """ 
  84          Molmol RGB colour arrays 
  85          ~~~~~~~~~~~~~~~~~~~~~~~~ 
  86   
  87          The following table is a list of colours used in Molmol and their corresponding RGB colour 
  88          values ranging from 0 to 1. 
  89          _______________________________________________________________ 
  90          |                               |         |         |         | 
  91          | Name                          | Red     | Green   | Blue    | 
  92          |_______________________________|_________|_________|_________| 
  93          |                               |         |         |         | 
  94          | 'black'                       | 0.000   | 0.000   | 0.000   | 
  95          | 'navy'                        | 0.000   | 0.000   | 0.502   | 
  96          | 'blue'                        | 0.000   | 0.000   | 1.000   | 
  97          | 'dark green'                  | 0.000   | 0.392   | 0.000   | 
  98          | 'green'                       | 0.000   | 1.000   | 0.000   | 
  99          | 'cyan'                        | 0.000   | 1.000   | 1.000   | 
 100          | 'turquoise'                   | 0.251   | 0.878   | 0.816   | 
 101          | 'royal blue'                  | 0.255   | 0.412   | 0.882   | 
 102          | 'aquamarine'                  | 0.498   | 1.000   | 0.831   | 
 103          | 'sky green'                   | 0.529   | 0.808   | 0.922   | 
 104          | 'dark violet'                 | 0.580   | 0.000   | 0.827   | 
 105          | 'pale green'                  | 0.596   | 0.984   | 0.596   | 
 106          | 'purple'                      | 0.627   | 0.125   | 0.941   | 
 107          | 'brown'                       | 0.647   | 0.165   | 0.165   | 
 108          | 'light blue'                  | 0.678   | 0.847   | 0.902   | 
 109          | 'grey'                        | 0.745   | 0.745   | 0.745   | 
 110          | 'light grey'                  | 0.827   | 0.827   | 0.827   | 
 111          | 'violet'                      | 0.933   | 0.510   | 0.933   | 
 112          | 'light coral'                 | 0.941   | 0.502   | 0.502   | 
 113          | 'khaki'                       | 0.941   | 0.902   | 0.549   | 
 114          | 'beige'                       | 0.961   | 0.961   | 0.863   | 
 115          | 'red'                         | 1.000   | 0.000   | 0.000   | 
 116          | 'magenta'                     | 1.000   | 0.000   | 1.000   | 
 117          | 'deep pink'                   | 1.000   | 0.078   | 0.576   | 
 118          | 'orange red'                  | 1.000   | 0.271   | 0.000   | 
 119          | 'hot pink'                    | 1.000   | 0.412   | 0.706   | 
 120          | 'coral'                       | 1.000   | 0.498   | 0.314   | 
 121          | 'dark orange'                 | 1.000   | 0.549   | 0.000   | 
 122          | 'orange'                      | 1.000   | 0.647   | 0.000   | 
 123          | 'pink'                        | 1.000   | 0.753   | 0.796   | 
 124          | 'gold'                        | 1.000   | 0.843   | 0.000   | 
 125          | 'yellow'                      | 1.000   | 1.000   | 0.000   | 
 126          | 'light yellow'                | 1.000   | 1.000   | 0.878   | 
 127          | 'ivory'                       | 1.000   | 1.000   | 0.941   | 
 128          | 'white'                       | 1.000   | 1.000   | 1.000   | 
 129          |_______________________________|_________|_________|_________| 
 130   
 131          """ 
 132   
 133          # Initialise the dictionary of colours. 
 134          colours = {} 
 135   
 136          # The colours sorted by the RGB float values. 
 137          colours['black']        = [0.000, 0.000, 0.000] 
 138          colours['navy']         = [0.000, 0.000, 0.502] 
 139          colours['blue']         = [0.000, 0.000, 1.000] 
 140          colours['dark green']   = [0.000, 0.392, 0.000] 
 141          colours['green']        = [0.000, 1.000, 0.000] 
 142          colours['cyan']         = [0.000, 1.000, 1.000] 
 143          colours['turquoise']    = [0.251, 0.878, 0.816] 
 144          colours['royal blue']   = [0.255, 0.412, 0.882] 
 145          colours['aquamarine']   = [0.498, 1.000, 0.831] 
 146          colours['sky green']    = [0.529, 0.808, 0.922] 
 147          colours['dark violet']  = [0.580, 0.000, 0.827] 
 148          colours['pale green']   = [0.596, 0.984, 0.596] 
 149          colours['purple']       = [0.627, 0.125, 0.941] 
 150          colours['brown']        = [0.647, 0.165, 0.165] 
 151          colours['light blue']   = [0.678, 0.847, 0.902] 
 152          colours['grey']         = [0.745, 0.745, 0.745] 
 153          colours['light grey']   = [0.827, 0.827, 0.827] 
 154          colours['violet']       = [0.933, 0.510, 0.933] 
 155          colours['light coral']  = [0.941, 0.502, 0.502] 
 156          colours['khaki']        = [0.941, 0.902, 0.549] 
 157          colours['beige']        = [0.961, 0.961, 0.863] 
 158          colours['red']          = [1.000, 0.000, 0.000] 
 159          colours['magenta']      = [1.000, 0.000, 1.000] 
 160          colours['deep pink']    = [1.000, 0.078, 0.576] 
 161          colours['orange red']   = [1.000, 0.271, 0.000] 
 162          colours['hot pink']     = [1.000, 0.412, 0.706] 
 163          colours['coral']        = [1.000, 0.498, 0.314] 
 164          colours['dark orange']  = [1.000, 0.549, 0.000] 
 165          colours['orange']       = [1.000, 0.647, 0.000] 
 166          colours['pink']         = [1.000, 0.753, 0.796] 
 167          colours['gold']         = [1.000, 0.843, 0.000] 
 168          colours['yellow']       = [1.000, 1.000, 0.000] 
 169          colours['light yellow'] = [1.000, 1.000, 0.878] 
 170          colours['ivory']        = [1.000, 1.000, 0.941] 
 171          colours['white']        = [1.000, 1.000, 1.000] 
 172   
 173          # Convert to Numeric arrays. 
 174          for key in colours: 
 175              colours[key] = array(colours[key], Float64) 
 176   
 177          # Invalid colour string. 
 178          if not colours.has_key(name): 
 179              raise RelaxInvalidColourError, name 
 180   
 181          # Return the RGB colour array. 
 182          return colours[name] 
 183   
 184   
 185 -    def x11_colours(self, name): 
 186          """ 
 187          X11 RGB colour arrays 
 188          ~~~~~~~~~~~~~~~~~~~~~ 
 189   
 190          The following table is the list of X11 colour names and their corresponding RGB colour 
 191          values ranging from 0 to 255. 
 192          _______________________________________________________________ 
 193          |                               |         |         |         | 
 194          | Name                          | Red     | Green   | Blue    | 
 195          |_______________________________|_________|_________|_________| 
 196          |                               |         |         |         | 
 197          | snow                          |     255 |     250 |     250 | 
 198          | ghost white                   |     248 |     248 |     255 | 
 199          | white smoke                   |     245 |     245 |     245 | 
 200          | gainsboro                     |     220 |     220 |     220 | 
 201          | floral white                  |     255 |     250 |     240 | 
 202          | old lace                      |     253 |     245 |     230 | 
 203          | linen                         |     250 |     240 |     230 | 
 204          | antique white                 |     250 |     235 |     215 | 
 205          | papaya whip                   |     255 |     239 |     213 | 
 206          | blanched almond               |     255 |     235 |     205 | 
 207          | bisque                        |     255 |     228 |     196 | 
 208          | peach puff                    |     255 |     218 |     185 | 
 209          | navajo white                  |     255 |     222 |     173 | 
 210          | moccasin                      |     255 |     228 |     181 | 
 211          | cornsilk                      |     255 |     248 |     220 | 
 212          | ivory                         |     255 |     255 |     240 | 
 213          | lemon chiffon                 |     255 |     250 |     205 | 
 214          | seashell                      |     255 |     245 |     238 | 
 215          | honeydew                      |     240 |     255 |     240 | 
 216          | mint cream                    |     245 |     255 |     250 | 
 217          | azure                         |     240 |     255 |     255 | 
 218          | alice blue                    |     240 |     248 |     255 | 
 219          | lavender                      |     230 |     230 |     250 | 
 220          | lavender blush                |     255 |     240 |     245 | 
 221          | misty rose                    |     255 |     228 |     225 | 
 222          | white                         |     255 |     255 |     255 | 
 223          | black                         |       0 |       0 |       0 | 
 224          | dark slate grey               |      47 |      79 |      79 | 
 225          | dim grey                      |     105 |     105 |     105 | 
 226          | slate grey                    |     112 |     128 |     144 | 
 227          | light slate grey              |     119 |     136 |     153 | 
 228          | grey                          |     190 |     190 |     190 | 
 229          | light grey                    |     211 |     211 |     211 | 
 230          | midnight blue                 |      25 |      25 |     112 | 
 231          | navy                          |       0 |       0 |     128 | 
 232          | cornflower blue               |     100 |     149 |     237 | 
 233          | dark slate blue               |      72 |      61 |     139 | 
 234          | slate blue                    |     106 |      90 |     205 | 
 235          | medium slate blue             |     123 |     104 |     238 | 
 236          | light slate blue              |     132 |     112 |     255 | 
 237          | medium blue                   |       0 |       0 |     205 | 
 238          | royal blue                    |      65 |     105 |     225 | 
 239          | blue                          |       0 |       0 |     255 | 
 240          | dodger blue                   |      30 |     144 |     255 | 
 241          | deep sky blue                 |       0 |     191 |     255 | 
 242          | sky blue                      |     135 |     206 |     235 | 
 243          | light sky blue                |     135 |     206 |     250 | 
 244          | steel blue                    |      70 |     130 |     180 | 
 245          | light steel blue              |     176 |     196 |     222 | 
 246          | light blue                    |     173 |     216 |     230 | 
 247          | powder blue                   |     176 |     224 |     230 | 
 248          | pale turquoise                |     175 |     238 |     238 | 
 249          | dark turquoise                |       0 |     206 |     209 | 
 250          | medium turquoise              |      72 |     209 |     204 | 
 251          | turquoise                     |      64 |     224 |     208 | 
 252          | cyan                          |       0 |     255 |     255 | 
 253          | light cyan                    |     224 |     255 |     255 | 
 254          | cadet blue                    |      95 |     158 |     160 | 
 255          | medium aquamarine             |     102 |     205 |     170 | 
 256          | aquamarine                    |     127 |     255 |     212 | 
 257          | dark green                    |       0 |     100 |       0 | 
 258          | dark olive green              |      85 |     107 |      47 | 
 259          | dark sea green                |     143 |     188 |     143 | 
 260          | sea green                     |      46 |     139 |      87 | 
 261          | medium sea green              |      60 |     179 |     113 | 
 262          | light sea green               |      32 |     178 |     170 | 
 263          | pale green                    |     152 |     251 |     152 | 
 264          | spring green                  |       0 |     255 |     127 | 
 265          | lawn green                    |     124 |     252 |       0 | 
 266          | green                         |       0 |     255 |       0 | 
 267          | chartreuse                    |     127 |     255 |       0 | 
 268          | medium spring green           |       0 |     250 |     154 | 
 269          | green yellow                  |     173 |     255 |      47 | 
 270          | lime green                    |      50 |     205 |      50 | 
 271          | yellow green                  |     154 |     205 |      50 | 
 272          | forest green                  |      34 |     139 |      34 | 
 273          | olive drab                    |     107 |     142 |      35 | 
 274          | dark khaki                    |     189 |     183 |     107 | 
 275          | khaki                         |     240 |     230 |     140 | 
 276          | pale goldenrod                |     238 |     232 |     170 | 
 277          | light goldenrod yellow        |     250 |     250 |     210 | 
 278          | light yellow                  |     255 |     255 |     224 | 
 279          | yellow                        |     255 |     255 |       0 | 
 280          | gold                          |     255 |     215 |       0 | 
 281          | light goldenrod               |     238 |     221 |     130 | 
 282          | goldenrod                     |     218 |     165 |      32 | 
 283          | dark goldenrod                |     184 |     134 |      11 | 
 284          | rosy brown                    |     188 |     143 |     143 | 
 285          | indian red                    |     205 |      92 |      92 | 
 286          | saddle brown                  |     139 |      69 |      19 | 
 287          | sienna                        |     160 |      82 |      45 | 
 288          | peru                          |     205 |     133 |      63 | 
 289          | burlywood                     |     222 |     184 |     135 | 
 290          | beige                         |     245 |     245 |     220 | 
 291          | wheat                         |     245 |     222 |     179 | 
 292          | sandy brown                   |     244 |     164 |      96 | 
 293          | tan                           |     210 |     180 |     140 | 
 294          | chocolate                     |     210 |     105 |      30 | 
 295          | firebrick                     |     178 |      34 |      34 | 
 296          | brown                         |     165 |      42 |      42 | 
 297          | dark salmon                   |     233 |     150 |     122 | 
 298          | salmon                        |     250 |     128 |     114 | 
 299          | light salmon                  |     255 |     160 |     122 | 
 300          | orange                        |     255 |     165 |       0 | 
 301          | dark orange                   |     255 |     140 |       0 | 
 302          | coral                         |     255 |     127 |      80 | 
 303          | light coral                   |     240 |     128 |     128 | 
 304          | tomato                        |     255 |      99 |      71 | 
 305          | orange red                    |     255 |      69 |       0 | 
 306          | red                           |     255 |       0 |       0 | 
 307          | hot pink                      |     255 |     105 |     180 | 
 308          | deep pink                     |     255 |      20 |     147 | 
 309          | pink                          |     255 |     192 |     203 | 
 310          | light pink                    |     255 |     182 |     193 | 
 311          | pale violet red               |     219 |     112 |     147 | 
 312          | maroon                        |     176 |      48 |      96 | 
 313          | medium violet red             |     199 |      21 |     133 | 
 314          | violet red                    |     208 |      32 |     144 | 
 315          | magenta                       |     255 |       0 |     255 | 
 316          | violet                        |     238 |     130 |     238 | 
 317          | plum                          |     221 |     160 |     221 | 
 318          | orchid                        |     218 |     112 |     214 | 
 319          | medium orchid                 |     186 |      85 |     211 | 
 320          | dark orchid                   |     153 |      50 |     204 | 
 321          | dark violet                   |     148 |       0 |     211 | 
 322          | blue violet                   |     138 |      43 |     226 | 
 323          | purple                        |     160 |      32 |     240 | 
 324          | medium purple                 |     147 |     112 |     219 | 
 325          | thistle                       |     216 |     191 |     216 | 
 326          | snow 1                        |     255 |     250 |     250 | 
 327          | snow 2                        |     238 |     233 |     233 | 
 328          | snow 3                        |     205 |     201 |     201 | 
 329          | snow 4                        |     139 |     137 |     137 | 
 330          | seashell 1                    |     255 |     245 |     238 | 
 331          | seashell 2                    |     238 |     229 |     222 | 
 332          | seashell 3                    |     205 |     197 |     191 | 
 333          | seashell 4                    |     139 |     134 |     130 | 
 334          | antique white 1               |     255 |     239 |     219 | 
 335          | antique white 2               |     238 |     223 |     204 | 
 336          | antique white 3               |     205 |     192 |     176 | 
 337          | antique white 4               |     139 |     131 |     120 | 
 338          | bisque 1                      |     255 |     228 |     196 | 
 339          | bisque 2                      |     238 |     213 |     183 | 
 340          | bisque 3                      |     205 |     183 |     158 | 
 341          | bisque 4                      |     139 |     125 |     107 | 
 342          | peach puff 1                  |     255 |     218 |     185 | 
 343          | peach puff 2                  |     238 |     203 |     173 | 
 344          | peach puff 3                  |     205 |     175 |     149 | 
 345          | peach puff 4                  |     139 |     119 |     101 | 
 346          | navajo white 1                |     255 |     222 |     173 | 
 347          | navajo white 2                |     238 |     207 |     161 | 
 348          | navajo white 3                |     205 |     179 |     139 | 
 349          | navajo white 4                |     139 |     121 |      94 | 
 350          | lemon chiffon 1               |     255 |     250 |     205 | 
 351          | lemon chiffon 2               |     238 |     233 |     191 | 
 352          | lemon chiffon 3               |     205 |     201 |     165 | 
 353          | lemon chiffon 4               |     139 |     137 |     112 | 
 354          | cornsilk 1                    |     255 |     248 |     220 | 
 355          | cornsilk 2                    |     238 |     232 |     205 | 
 356          | cornsilk 3                    |     205 |     200 |     177 | 
 357          | cornsilk 4                    |     139 |     136 |     120 | 
 358          | ivory 1                       |     255 |     255 |     240 | 
 359          | ivory 2                       |     238 |     238 |     224 | 
 360          | ivory 3                       |     205 |     205 |     193 | 
 361          | ivory 4                       |     139 |     139 |     131 | 
 362          | honeydew 1                    |     240 |     255 |     240 | 
 363          | honeydew 2                    |     224 |     238 |     224 | 
 364          | honeydew 3                    |     193 |     205 |     193 | 
 365          | honeydew 4                    |     131 |     139 |     131 | 
 366          | lavender blush 1              |     255 |     240 |     245 | 
 367          | lavender blush 2              |     238 |     224 |     229 | 
 368          | lavender blush 3              |     205 |     193 |     197 | 
 369          | lavender blush 4              |     139 |     131 |     134 | 
 370          | misty rose 1                  |     255 |     228 |     225 | 
 371          | misty rose 2                  |     238 |     213 |     210 | 
 372          | misty rose 3                  |     205 |     183 |     181 | 
 373          | misty rose 4                  |     139 |     125 |     123 | 
 374          | azure 1                       |     240 |     255 |     255 | 
 375          | azure 2                       |     224 |     238 |     238 | 
 376          | azure 3                       |     193 |     205 |     205 | 
 377          | azure 4                       |     131 |     139 |     139 | 
 378          | slate blue 1                  |     131 |     111 |     255 | 
 379          | slate blue 2                  |     122 |     103 |     238 | 
 380          | slate blue 3                  |     105 |      89 |     205 | 
 381          | slate blue 4                  |      71 |      60 |     139 | 
 382          | royal blue 1                  |      72 |     118 |     255 | 
 383          | royal blue 2                  |      67 |     110 |     238 | 
 384          | royal blue 3                  |      58 |      95 |     205 | 
 385          | royal blue 4                  |      39 |      64 |     139 | 
 386          | blue 1                        |       0 |       0 |     255 | 
 387          | blue 2                        |       0 |       0 |     238 | 
 388          | blue 3                        |       0 |       0 |     205 | 
 389          | blue 4                        |       0 |       0 |     139 | 
 390          | dodger blue 1                 |      30 |     144 |     255 | 
 391          | dodger blue 2                 |      28 |     134 |     238 | 
 392          | dodger blue 3                 |      24 |     116 |     205 | 
 393          | dodger blue 4                 |      16 |      78 |     139 | 
 394          | steel blue 1                  |      99 |     184 |     255 | 
 395          | steel blue 2                  |      92 |     172 |     238 | 
 396          | steel blue 3                  |      79 |     148 |     205 | 
 397          | steel blue 4                  |      54 |     100 |     139 | 
 398          | deep sky blue 1               |       0 |     191 |     255 | 
 399          | deep sky blue 2               |       0 |     178 |     238 | 
 400          | deep sky blue 3               |       0 |     154 |     205 | 
 401          | deep sky blue 4               |       0 |     104 |     139 | 
 402          | sky blue 1                    |     135 |     206 |     255 | 
 403          | sky blue 2                    |     126 |     192 |     238 | 
 404          | sky blue 3                    |     108 |     166 |     205 | 
 405          | sky blue 4                    |      74 |     112 |     139 | 
 406          | light sky blue 1              |     176 |     226 |     255 | 
 407          | light sky blue 2              |     164 |     211 |     238 | 
 408          | light sky blue 3              |     141 |     182 |     205 | 
 409          | light sky blue 4              |      96 |     123 |     139 | 
 410          | slate grey 1                  |     198 |     226 |     255 | 
 411          | slate grey 2                  |     185 |     211 |     238 | 
 412          | slate grey 3                  |     159 |     182 |     205 | 
 413          | slate grey 4                  |     108 |     123 |     139 | 
 414          | light steel blue 1            |     202 |     225 |     255 | 
 415          | light steel blue 2            |     188 |     210 |     238 | 
 416          | light steel blue 3            |     162 |     181 |     205 | 
 417          | light steel blue 4            |     110 |     123 |     139 | 
 418          | light blue 1                  |     191 |     239 |     255 | 
 419          | light blue 2                  |     178 |     223 |     238 | 
 420          | light blue 3                  |     154 |     192 |     205 | 
 421          | light blue 4                  |     104 |     131 |     139 | 
 422          | light cyan 1                  |     224 |     255 |     255 | 
 423          | light cyan 2                  |     209 |     238 |     238 | 
 424          | light cyan 3                  |     180 |     205 |     205 | 
 425          | light cyan 4                  |     122 |     139 |     139 | 
 426          | pale turquoise 1              |     187 |     255 |     255 | 
 427          | pale turquoise 2              |     174 |     238 |     238 | 
 428          | pale turquoise 3              |     150 |     205 |     205 | 
 429          | pale turquoise 4              |     102 |     139 |     139 | 
 430          | cadet blue 1                  |     152 |     245 |     255 | 
 431          | cadet blue 2                  |     142 |     229 |     238 | 
 432          | cadet blue 3                  |     122 |     197 |     205 | 
 433          | cadet blue 4                  |      83 |     134 |     139 | 
 434          | turquoise 1                   |       0 |     245 |     255 | 
 435          | turquoise 2                   |       0 |     229 |     238 | 
 436          | turquoise 3                   |       0 |     197 |     205 | 
 437          | turquoise 4                   |       0 |     134 |     139 | 
 438          | cyan 1                        |       0 |     255 |     255 | 
 439          | cyan 2                        |       0 |     238 |     238 | 
 440          | cyan 3                        |       0 |     205 |     205 | 
 441          | cyan 4                        |       0 |     139 |     139 | 
 442          | dark slate grey 1             |     151 |     255 |     255 | 
 443          | dark slate grey 2             |     141 |     238 |     238 | 
 444          | dark slate grey 3             |     121 |     205 |     205 | 
 445          | dark slate grey 4             |      82 |     139 |     139 | 
 446          | aquamarine 1                  |     127 |     255 |     212 | 
 447          | aquamarine 2                  |     118 |     238 |     198 | 
 448          | aquamarine 3                  |     102 |     205 |     170 | 
 449          | aquamarine 4                  |      69 |     139 |     116 | 
 450          | dark sea green 1              |     193 |     255 |     193 | 
 451          | dark sea green 2              |     180 |     238 |     180 | 
 452          | dark sea green 3              |     155 |     205 |     155 | 
 453          | dark sea green 4              |     105 |     139 |     105 | 
 454          | sea green 1                   |      84 |     255 |     159 | 
 455          | sea green 2                   |      78 |     238 |     148 | 
 456          | sea green 3                   |      67 |     205 |     128 | 
 457          | sea green 4                   |      46 |     139 |      87 | 
 458          | pale green 1                  |     154 |     255 |     154 | 
 459          | pale green 2                  |     144 |     238 |     144 | 
 460          | pale green 3                  |     124 |     205 |     124 | 
 461          | pale green 4                  |      84 |     139 |      84 | 
 462          | spring green 1                |       0 |     255 |     127 | 
 463          | spring green 2                |       0 |     238 |     118 | 
 464          | spring green 3                |       0 |     205 |     102 | 
 465          | spring green 4                |       0 |     139 |      69 | 
 466          | green 1                       |       0 |     255 |       0 | 
 467          | green 2                       |       0 |     238 |       0 | 
 468          | green 3                       |       0 |     205 |       0 | 
 469          | green 4                       |       0 |     139 |       0 | 
 470          | chartreuse 1                  |     127 |     255 |       0 | 
 471          | chartreuse 2                  |     118 |     238 |       0 | 
 472          | chartreuse 3                  |     102 |     205 |       0 | 
 473          | chartreuse 4                  |      69 |     139 |       0 | 
 474          | olive drab 1                  |     192 |     255 |      62 | 
 475          | olive drab 2                  |     179 |     238 |      58 | 
 476          | olive drab 3                  |     154 |     205 |      50 | 
 477          | olive drab 4                  |     105 |     139 |      34 | 
 478          | dark olive green 1            |     202 |     255 |     112 | 
 479          | dark olive green 2            |     188 |     238 |     104 | 
 480          | dark olive green 3            |     162 |     205 |      90 | 
 481          | dark olive green 4            |     110 |     139 |      61 | 
 482          | khaki 1                       |     255 |     246 |     143 | 
 483          | khaki 2                       |     238 |     230 |     133 | 
 484          | khaki 3                       |     205 |     198 |     115 | 
 485          | khaki 4                       |     139 |     134 |      78 | 
 486          | light goldenrod 1             |     255 |     236 |     139 | 
 487          | light goldenrod 2             |     238 |     220 |     130 | 
 488          | light goldenrod 3             |     205 |     190 |     112 | 
 489          | light goldenrod 4             |     139 |     129 |      76 | 
 490          | light yellow 1                |     255 |     255 |     224 | 
 491          | light yellow 2                |     238 |     238 |     209 | 
 492          | light yellow 3                |     205 |     205 |     180 | 
 493          | light yellow 4                |     139 |     139 |     122 | 
 494          | yellow 1                      |     255 |     255 |       0 | 
 495          | yellow 2                      |     238 |     238 |       0 | 
 496          | yellow 3                      |     205 |     205 |       0 | 
 497          | yellow 4                      |     139 |     139 |       0 | 
 498          | gold 1                        |     255 |     215 |       0 | 
 499          | gold 2                        |     238 |     201 |       0 | 
 500          | gold 3                        |     205 |     173 |       0 | 
 501          | gold 4                        |     139 |     117 |       0 | 
 502          | goldenrod 1                   |     255 |     193 |      37 | 
 503          | goldenrod 2                   |     238 |     180 |      34 | 
 504          | goldenrod 3                   |     205 |     155 |      29 | 
 505          | goldenrod 4                   |     139 |     105 |      20 | 
 506          | dark goldenrod 1              |     255 |     185 |      15 | 
 507          | dark goldenrod 2              |     238 |     173 |      14 | 
 508          | dark goldenrod 3              |     205 |     149 |      12 | 
 509          | dark goldenrod 4              |     139 |     101 |       8 | 
 510          | rosy brown 1                  |     255 |     193 |     193 | 
 511          | rosy brown 2                  |     238 |     180 |     180 | 
 512          | rosy brown 3                  |     205 |     155 |     155 | 
 513          | rosy brown 4                  |     139 |     105 |     105 | 
 514          | indian red 1                  |     255 |     106 |     106 | 
 515          | indian red 2                  |     238 |      99 |      99 | 
 516          | indian red 3                  |     205 |      85 |      85 | 
 517          | indian red 4                  |     139 |      58 |      58 | 
 518          | sienna 1                      |     255 |     130 |      71 | 
 519          | sienna 2                      |     238 |     121 |      66 | 
 520          | sienna 3                      |     205 |     104 |      57 | 
 521          | sienna 4                      |     139 |      71 |      38 | 
 522          | burlywood 1                   |     255 |     211 |     155 | 
 523          | burlywood 2                   |     238 |     197 |     145 | 
 524          | burlywood 3                   |     205 |     170 |     125 | 
 525          | burlywood 4                   |     139 |     115 |      85 | 
 526          | wheat 1                       |     255 |     231 |     186 | 
 527          | wheat 2                       |     238 |     216 |     174 | 
 528          | wheat 3                       |     205 |     186 |     150 | 
 529          | wheat 4                       |     139 |     126 |     102 | 
 530          | tan 1                         |     255 |     165 |      79 | 
 531          | tan 2                         |     238 |     154 |      73 | 
 532          | tan 3                         |     205 |     133 |      63 | 
 533          | tan 4                         |     139 |      90 |      43 | 
 534          | chocolate 1                   |     255 |     127 |      36 | 
 535          | chocolate 2                   |     238 |     118 |      33 | 
 536          | chocolate 3                   |     205 |     102 |      29 | 
 537          | chocolate 4                   |     139 |      69 |      19 | 
 538          | firebrick 1                   |     255 |      48 |      48 | 
 539          | firebrick 2                   |     238 |      44 |      44 | 
 540          | firebrick 3                   |     205 |      38 |      38 | 
 541          | firebrick 4                   |     139 |      26 |      26 | 
 542          | brown 1                       |     255 |      64 |      64 | 
 543          | brown 2                       |     238 |      59 |      59 | 
 544          | brown 3                       |     205 |      51 |      51 | 
 545          | brown 4                       |     139 |      35 |      35 | 
 546          | salmon 1                      |     255 |     140 |     105 | 
 547          | salmon 2                      |     238 |     130 |      98 | 
 548          | salmon 3                      |     205 |     112 |      84 | 
 549          | salmon 4                      |     139 |      76 |      57 | 
 550          | light salmon 1                |     255 |     160 |     122 | 
 551          | light salmon 2                |     238 |     149 |     114 | 
 552          | light salmon 3                |     205 |     129 |      98 | 
 553          | light salmon 4                |     139 |      87 |      66 | 
 554          | orange 1                      |     255 |     165 |       0 | 
 555          | orange 2                      |     238 |     154 |       0 | 
 556          | orange 3                      |     205 |     133 |       0 | 
 557          | orange 4                      |     139 |      90 |       0 | 
 558          | dark orange 1                 |     255 |     127 |       0 | 
 559          | dark orange 2                 |     238 |     118 |       0 | 
 560          | dark orange 3                 |     205 |     102 |       0 | 
 561          | dark orange 4                 |     139 |      69 |       0 | 
 562          | coral 1                       |     255 |     114 |      86 | 
 563          | coral 2                       |     238 |     106 |      80 | 
 564          | coral 3                       |     205 |      91 |      69 | 
 565          | coral 4                       |     139 |      62 |      47 | 
 566          | tomato 1                      |     255 |      99 |      71 | 
 567          | tomato 2                      |     238 |      92 |      66 | 
 568          | tomato 3                      |     205 |      79 |      57 | 
 569          | tomato 4                      |     139 |      54 |      38 | 
 570          | orange red 1                  |     255 |      69 |       0 | 
 571          | orange red 2                  |     238 |      64 |       0 | 
 572          | orange red 3                  |     205 |      55 |       0 | 
 573          | orange red 4                  |     139 |      37 |       0 | 
 574          | red 1                         |     255 |       0 |       0 | 
 575          | red 2                         |     238 |       0 |       0 | 
 576          | red 3                         |     205 |       0 |       0 | 
 577          | red 4                         |     139 |       0 |       0 | 
 578          | deep pink 1                   |     255 |      20 |     147 | 
 579          | deep pink 2                   |     238 |      18 |     137 | 
 580          | deep pink 3                   |     205 |      16 |     118 | 
 581          | deep pink 4                   |     139 |      10 |      80 | 
 582          | hot pink 1                    |     255 |     110 |     180 | 
 583          | hot pink 2                    |     238 |     106 |     167 | 
 584          | hot pink 3                    |     205 |      96 |     144 | 
 585          | hot pink 4                    |     139 |      58 |      98 | 
 586          | pink 1                        |     255 |     181 |     197 | 
 587          | pink 2                        |     238 |     169 |     184 | 
 588          | pink 3                        |     205 |     145 |     158 | 
 589          | pink 4                        |     139 |      99 |     108 | 
 590          | light pink 1                  |     255 |     174 |     185 | 
 591          | light pink 2                  |     238 |     162 |     173 | 
 592          | light pink 3                  |     205 |     140 |     149 | 
 593          | light pink 4                  |     139 |      95 |     101 | 
 594          | pale violet red 1             |     255 |     130 |     171 | 
 595          | pale violet red 2             |     238 |     121 |     159 | 
 596          | pale violet red 3             |     205 |     104 |     137 | 
 597          | pale violet red 4             |     139 |      71 |      93 | 
 598          | maroon 1                      |     255 |      52 |     179 | 
 599          | maroon 2                      |     238 |      48 |     167 | 
 600          | maroon 3                      |     205 |      41 |     144 | 
 601          | maroon 4                      |     139 |      28 |      98 | 
 602          | violet red 1                  |     255 |      62 |     150 | 
 603          | violet red 2                  |     238 |      58 |     140 | 
 604          | violet red 3                  |     205 |      50 |     120 | 
 605          | violet red 4                  |     139 |      34 |      82 | 
 606          | magenta 1                     |     255 |       0 |     255 | 
 607          | magenta 2                     |     238 |       0 |     238 | 
 608          | magenta 3                     |     205 |       0 |     205 | 
 609          | magenta 4                     |     139 |       0 |     139 | 
 610          | orchid 1                      |     255 |     131 |     250 | 
 611          | orchid 2                      |     238 |     122 |     233 | 
 612          | orchid 3                      |     205 |     105 |     201 | 
 613          | orchid 4                      |     139 |      71 |     137 | 
 614          | plum 1                        |     255 |     187 |     255 | 
 615          | plum 2                        |     238 |     174 |     238 | 
 616          | plum 3                        |     205 |     150 |     205 | 
 617          | plum 4                        |     139 |     102 |     139 | 
 618          | medium orchid 1               |     224 |     102 |     255 | 
 619          | medium orchid 2               |     209 |      95 |     238 | 
 620          | medium orchid 3               |     180 |      82 |     205 | 
 621          | medium orchid 4               |     122 |      55 |     139 | 
 622          | dark orchid 1                 |     191 |      62 |     255 | 
 623          | dark orchid 2                 |     178 |      58 |     238 | 
 624          | dark orchid 3                 |     154 |      50 |     205 | 
 625          | dark orchid 4                 |     104 |      34 |     139 | 
 626          | purple 1                      |     155 |      48 |     255 | 
 627          | purple 2                      |     145 |      44 |     238 | 
 628          | purple 3                      |     125 |      38 |     205 | 
 629          | purple 4                      |      85 |      26 |     139 | 
 630          | medium purple 1               |     171 |     130 |     255 | 
 631          | medium purple 2               |     159 |     121 |     238 | 
 632          | medium purple 3               |     137 |     104 |     205 | 
 633          | medium purple 4               |      93 |      71 |     139 | 
 634          | thistle 1                     |     255 |     225 |     255 | 
 635          | thistle 2                     |     238 |     210 |     238 | 
 636          | thistle 3                     |     205 |     181 |     205 | 
 637          | thistle 4                     |     139 |     123 |     139 | 
 638          | grey 0                        |       0 |       0 |       0 | 
 639          | grey 1                        |       3 |       3 |       3 | 
 640          | grey 2                        |       5 |       5 |       5 | 
 641          | grey 3                        |       8 |       8 |       8 | 
 642          | grey 4                        |      10 |      10 |      10 | 
 643          | grey 5                        |      13 |      13 |      13 | 
 644          | grey 6                        |      15 |      15 |      15 | 
 645          | grey 7                        |      18 |      18 |      18 | 
 646          | grey 8                        |      20 |      20 |      20 | 
 647          | grey 9                        |      23 |      23 |      23 | 
 648          | grey 10                       |      26 |      26 |      26 | 
 649          | grey 11                       |      28 |      28 |      28 | 
 650          | grey 12                       |      31 |      31 |      31 | 
 651          | grey 13                       |      33 |      33 |      33 | 
 652          | grey 14                       |      36 |      36 |      36 | 
 653          | grey 15                       |      38 |      38 |      38 | 
 654          | grey 16                       |      41 |      41 |      41 | 
 655          | grey 17                       |      43 |      43 |      43 | 
 656          | grey 18                       |      46 |      46 |      46 | 
 657          | grey 19                       |      48 |      48 |      48 | 
 658          | grey 20                       |      51 |      51 |      51 | 
 659          | grey 21                       |      54 |      54 |      54 | 
 660          | grey 22                       |      56 |      56 |      56 | 
 661          | grey 23                       |      59 |      59 |      59 | 
 662          | grey 24                       |      61 |      61 |      61 | 
 663          | grey 25                       |      64 |      64 |      64 | 
 664          | grey 26                       |      66 |      66 |      66 | 
 665          | grey 27                       |      69 |      69 |      69 | 
 666          | grey 28                       |      71 |      71 |      71 | 
 667          | grey 29                       |      74 |      74 |      74 | 
 668          | grey 30                       |      77 |      77 |      77 | 
 669          | grey 31                       |      79 |      79 |      79 | 
 670          | grey 32                       |      82 |      82 |      82 | 
 671          | grey 33                       |      84 |      84 |      84 | 
 672          | grey 34                       |      87 |      87 |      87 | 
 673          | grey 35                       |      89 |      89 |      89 | 
 674          | grey 36                       |      92 |      92 |      92 | 
 675          | grey 37                       |      94 |      94 |      94 | 
 676          | grey 38                       |      97 |      97 |      97 | 
 677          | grey 39                       |      99 |      99 |      99 | 
 678          | grey 40                       |     102 |     102 |     102 | 
 679          | grey 41                       |     105 |     105 |     105 | 
 680          | grey 42                       |     107 |     107 |     107 | 
 681          | grey 43                       |     110 |     110 |     110 | 
 682          | grey 44                       |     112 |     112 |     112 | 
 683          | grey 45                       |     115 |     115 |     115 | 
 684          | grey 46                       |     117 |     117 |     117 | 
 685          | grey 47                       |     120 |     120 |     120 | 
 686          | grey 48                       |     122 |     122 |     122 | 
 687          | grey 49                       |     125 |     125 |     125 | 
 688          | grey 50                       |     127 |     127 |     127 | 
 689          | grey 51                       |     130 |     130 |     130 | 
 690          | grey 52                       |     133 |     133 |     133 | 
 691          | grey 53                       |     135 |     135 |     135 | 
 692          | grey 54                       |     138 |     138 |     138 | 
 693          | grey 55                       |     140 |     140 |     140 | 
 694          | grey 56                       |     143 |     143 |     143 | 
 695          | grey 57                       |     145 |     145 |     145 | 
 696          | grey 58                       |     148 |     148 |     148 | 
 697          | grey 59                       |     150 |     150 |     150 | 
 698          | grey 60                       |     153 |     153 |     153 | 
 699          | grey 61                       |     156 |     156 |     156 | 
 700          | grey 62                       |     158 |     158 |     158 | 
 701          | grey 63                       |     161 |     161 |     161 | 
 702          | grey 64                       |     163 |     163 |     163 | 
 703          | grey 65                       |     166 |     166 |     166 | 
 704          | grey 66                       |     168 |     168 |     168 | 
 705          | grey 67                       |     171 |     171 |     171 | 
 706          | grey 68                       |     173 |     173 |     173 | 
 707          | grey 69                       |     176 |     176 |     176 | 
 708          | grey 70                       |     179 |     179 |     179 | 
 709          | grey 71                       |     181 |     181 |     181 | 
 710          | grey 72                       |     184 |     184 |     184 | 
 711          | grey 73                       |     186 |     186 |     186 | 
 712          | grey 74                       |     189 |     189 |     189 | 
 713          | grey 75                       |     191 |     191 |     191 | 
 714          | grey 76                       |     194 |     194 |     194 | 
 715          | grey 77                       |     196 |     196 |     196 | 
 716          | grey 78                       |     199 |     199 |     199 | 
 717          | grey 79                       |     201 |     201 |     201 | 
 718          | grey 80                       |     204 |     204 |     204 | 
 719          | grey 81                       |     207 |     207 |     207 | 
 720          | grey 82                       |     209 |     209 |     209 | 
 721          | grey 83                       |     212 |     212 |     212 | 
 722          | grey 84                       |     214 |     214 |     214 | 
 723          | grey 85                       |     217 |     217 |     217 | 
 724          | grey 86                       |     219 |     219 |     219 | 
 725          | grey 87                       |     222 |     222 |     222 | 
 726          | grey 88                       |     224 |     224 |     224 | 
 727          | grey 89                       |     227 |     227 |     227 | 
 728          | grey 90                       |     229 |     229 |     229 | 
 729          | grey 91                       |     232 |     232 |     232 | 
 730          | grey 92                       |     235 |     235 |     235 | 
 731          | grey 93                       |     237 |     237 |     237 | 
 732          | grey 94                       |     240 |     240 |     240 | 
 733          | grey 95                       |     242 |     242 |     242 | 
 734          | grey 96                       |     245 |     245 |     245 | 
 735          | grey 97                       |     247 |     247 |     247 | 
 736          | grey 98                       |     250 |     250 |     250 | 
 737          | grey 99                       |     252 |     252 |     252 | 
 738          | grey 100                      |     255 |     255 |     255 | 
 739          | dark grey                     |     169 |     169 |     169 | 
 740          | dark blue                     |       0 |       0 |     139 | 
 741          | dark cyan                     |       0 |     139 |     139 | 
 742          | dark magenta                  |     139 |       0 |     139 | 
 743          | dark red                      |     139 |       0 |       0 | 
 744          | light green                   |     144 |     238 |     144 | 
 745          |_______________________________|_________|_________|_________| 
 746   
 747          """ 
 748   
 749          # Initialise the dictionary of colours. 
 750          colours = {} 
 751   
 752          # The colours as sorted in the /usr/X11R6/lib/X11/rgb.txt file. 
 753          colours['snow']                     = [255, 250, 250] 
 754          colours['ghost white']              = [248, 248, 255] 
 755          colours['white smoke']              = [245, 245, 245] 
 756          colours['gainsboro']                = [220, 220, 220] 
 757          colours['floral white']             = [255, 250, 240] 
 758          colours['old lace']                 = [253, 245, 230] 
 759          colours['linen']                    = [250, 240, 230] 
 760          colours['antique white']            = [250, 235, 215] 
 761          colours['papaya whip']              = [255, 239, 213] 
 762          colours['blanched almond']          = [255, 235, 205] 
 763          colours['bisque']                   = [255, 228, 196] 
 764          colours['peach puff']               = [255, 218, 185] 
 765          colours['navajo white']             = [255, 222, 173] 
 766          colours['moccasin']                 = [255, 228, 181] 
 767          colours['cornsilk']                 = [255, 248, 220] 
 768          colours['ivory']                    = [255, 255, 240] 
 769          colours['lemon chiffon']            = [255, 250, 205] 
 770          colours['seashell']                 = [255, 245, 238] 
 771          colours['honeydew']                 = [240, 255, 240] 
 772          colours['mint cream']               = [245, 255, 250] 
 773          colours['azure']                    = [240, 255, 255] 
 774          colours['alice blue']               = [240, 248, 255] 
 775          colours['lavender']                 = [230, 230, 250] 
 776          colours['lavender blush']           = [255, 240, 245] 
 777          colours['misty rose']               = [255, 228, 225] 
 778          colours['white']                    = [255, 255, 255] 
 779          colours['black']                    = [  0,   0,   0] 
 780          colours['dark slate grey']          = [ 47,  79,  79] 
 781          colours['dim grey']                 = [105, 105, 105] 
 782          colours['slate grey']               = [112, 128, 144] 
 783          colours['light slate grey']         = [119, 136, 153] 
 784          colours['grey']                     = [190, 190, 190] 
 785          colours['light grey']               = [211, 211, 211] 
 786          colours['midnight blue']            = [ 25,  25, 112] 
 787          colours['navy']                     = [  0,   0, 128] 
 788          colours['cornflower blue']          = [100, 149, 237] 
 789          colours['dark slate blue']          = [ 72,  61, 139] 
 790          colours['slate blue']               = [106,  90, 205] 
 791          colours['medium slate blue']        = [123, 104, 238] 
 792          colours['light slate blue']         = [132, 112, 255] 
 793          colours['medium blue']              = [  0,   0, 205] 
 794          colours['royal blue']               = [ 65, 105, 225] 
 795          colours['blue']                     = [  0,   0, 255] 
 796          colours['dodger blue']              = [ 30, 144, 255] 
 797          colours['deep sky blue']            = [  0, 191, 255] 
 798          colours['sky blue']                 = [135, 206, 235] 
 799          colours['light sky blue']           = [135, 206, 250] 
 800          colours['steel blue']               = [ 70, 130, 180] 
 801          colours['light steel blue']         = [176, 196, 222] 
 802          colours['light blue']               = [173, 216, 230] 
 803          colours['powder blue']              = [176, 224, 230] 
 804          colours['pale turquoise']           = [175, 238, 238] 
 805          colours['dark turquoise']           = [  0, 206, 209] 
 806          colours['medium turquoise']         = [ 72, 209, 204] 
 807          colours['turquoise']                = [ 64, 224, 208] 
 808          colours['cyan']                     = [  0, 255, 255] 
 809          colours['light cyan']               = [224, 255, 255] 
 810          colours['cadet blue']               = [ 95, 158, 160] 
 811          colours['medium aquamarine']        = [102, 205, 170] 
 812          colours['aquamarine']               = [127, 255, 212] 
 813          colours['dark green']               = [  0, 100,   0] 
 814          colours['dark olive green']         = [ 85, 107,  47] 
 815          colours['dark sea green']           = [143, 188, 143] 
 816          colours['sea green']                = [ 46, 139,  87] 
 817          colours['medium sea green']         = [ 60, 179, 113] 
 818          colours['light sea green']          = [ 32, 178, 170] 
 819          colours['pale green']               = [152, 251, 152] 
 820          colours['spring green']             = [  0, 255, 127] 
 821          colours['lawn green']               = [124, 252,   0] 
 822          colours['green']                    = [  0, 255,   0] 
 823          colours['chartreuse']               = [127, 255,   0] 
 824          colours['medium spring green']      = [  0, 250, 154] 
 825          colours['green yellow']             = [173, 255,  47] 
 826          colours['lime green']               = [ 50, 205,  50] 
 827          colours['yellow green']             = [154, 205,  50] 
 828          colours['forest green']             = [ 34, 139,  34] 
 829          colours['olive drab']               = [107, 142,  35] 
 830          colours['dark khaki']               = [189, 183, 107] 
 831          colours['khaki']                    = [240, 230, 140] 
 832          colours['pale goldenrod']           = [238, 232, 170] 
 833          colours['light goldenrod yellow']   = [250, 250, 210] 
 834          colours['light yellow']             = [255, 255, 224] 
 835          colours['yellow']                   = [255, 255,   0] 
 836          colours['gold']                     = [255, 215,   0] 
 837          colours['light goldenrod']          = [238, 221, 130] 
 838          colours['goldenrod']                = [218, 165,  32] 
 839          colours['dark goldenrod']           = [184, 134,  11] 
 840          colours['rosy brown']               = [188, 143, 143] 
 841          colours['indian red']               = [205,  92,  92] 
 842          colours['saddle brown']             = [139,  69,  19] 
 843          colours['sienna']                   = [160,  82,  45] 
 844          colours['peru']                     = [205, 133,  63] 
 845          colours['burlywood']                = [222, 184, 135] 
 846          colours['beige']                    = [245, 245, 220] 
 847          colours['wheat']                    = [245, 222, 179] 
 848          colours['sandy brown']              = [244, 164,  96] 
 849          colours['tan']                      = [210, 180, 140] 
 850          colours['chocolate']                = [210, 105,  30] 
 851          colours['firebrick']                = [178,  34,  34] 
 852          colours['brown']                    = [165,  42,  42] 
 853          colours['dark salmon']              = [233, 150, 122] 
 854          colours['salmon']                   = [250, 128, 114] 
 855          colours['light salmon']             = [255, 160, 122] 
 856          colours['orange']                   = [255, 165,   0] 
 857          colours['dark orange']              = [255, 140,   0] 
 858          colours['coral']                    = [255, 127,  80] 
 859          colours['light coral']              = [240, 128, 128] 
 860          colours['tomato']                   = [255,  99,  71] 
 861          colours['orange red']               = [255,  69,   0] 
 862          colours['red']                      = [255,   0,   0] 
 863          colours['hot pink']                 = [255, 105, 180] 
 864          colours['deep pink']                = [255,  20, 147] 
 865          colours['pink']                     = [255, 192, 203] 
 866          colours['light pink']               = [255, 182, 193] 
 867          colours['pale violet red']          = [219, 112, 147] 
 868          colours['maroon']                   = [176,  48,  96] 
 869          colours['medium violet red']        = [199,  21, 133] 
 870          colours['violet red']               = [208,  32, 144] 
 871          colours['magenta']                  = [255,   0, 255] 
 872          colours['violet']                   = [238, 130, 238] 
 873          colours['plum']                     = [221, 160, 221] 
 874          colours['orchid']                   = [218, 112, 214] 
 875          colours['medium orchid']            = [186,  85, 211] 
 876          colours['dark orchid']              = [153,  50, 204] 
 877          colours['dark violet']              = [148,   0, 211] 
 878          colours['blue violet']              = [138,  43, 226] 
 879          colours['purple']                   = [160,  32, 240] 
 880          colours['medium purple']            = [147, 112, 219] 
 881          colours['thistle']                  = [216, 191, 216] 
 882          colours['snow 1']                   = [255, 250, 250] 
 883          colours['snow 2']                   = [238, 233, 233] 
 884          colours['snow 3']                   = [205, 201, 201] 
 885          colours['snow 4']                   = [139, 137, 137] 
 886          colours['seashell 1']               = [255, 245, 238] 
 887          colours['seashell 2']               = [238, 229, 222] 
 888          colours['seashell 3']               = [205, 197, 191] 
 889          colours['seashell 4']               = [139, 134, 130] 
 890          colours['antique white 1']          = [255, 239, 219] 
 891          colours['antique white 2']          = [238, 223, 204] 
 892          colours['antique white 3']          = [205, 192, 176] 
 893          colours['antique white 4']          = [139, 131, 120] 
 894          colours['bisque 1']                 = [255, 228, 196] 
 895          colours['bisque 2']                 = [238, 213, 183] 
 896          colours['bisque 3']                 = [205, 183, 158] 
 897          colours['bisque 4']                 = [139, 125, 107] 
 898          colours['peach puff 1']             = [255, 218, 185] 
 899          colours['peach puff 2']             = [238, 203, 173] 
 900          colours['peach puff 3']             = [205, 175, 149] 
 901          colours['peach puff 4']             = [139, 119, 101] 
 902          colours['navajo white 1']           = [255, 222, 173] 
 903          colours['navajo white 2']           = [238, 207, 161] 
 904          colours['navajo white 3']           = [205, 179, 139] 
 905          colours['navajo white 4']           = [139, 121,  94] 
 906          colours['lemon chiffon 1']          = [255, 250, 205] 
 907          colours['lemon chiffon 2']          = [238, 233, 191] 
 908          colours['lemon chiffon 3']          = [205, 201, 165] 
 909          colours['lemon chiffon 4']          = [139, 137, 112] 
 910          colours['cornsilk 1']               = [255, 248, 220] 
 911          colours['cornsilk 2']               = [238, 232, 205] 
 912          colours['cornsilk 3']               = [205, 200, 177] 
 913          colours['cornsilk 4']               = [139, 136, 120] 
 914          colours['ivory 1']                  = [255, 255, 240] 
 915          colours['ivory 2']                  = [238, 238, 224] 
 916          colours['ivory 3']                  = [205, 205, 193] 
 917          colours['ivory 4']                  = [139, 139, 131] 
 918          colours['honeydew 1']               = [240, 255, 240] 
 919          colours['honeydew 2']               = [224, 238, 224] 
 920          colours['honeydew 3']               = [193, 205, 193] 
 921          colours['honeydew 4']               = [131, 139, 131] 
 922          colours['lavender blush 1']         = [255, 240, 245] 
 923          colours['lavender blush 2']         = [238, 224, 229] 
 924          colours['lavender blush 3']         = [205, 193, 197] 
 925          colours['lavender blush 4']         = [139, 131, 134] 
 926          colours['misty rose 1']             = [255, 228, 225] 
 927          colours['misty rose 2']             = [238, 213, 210] 
 928          colours['misty rose 3']             = [205, 183, 181] 
 929          colours['misty rose 4']             = [139, 125, 123] 
 930          colours['azure 1']                  = [240, 255, 255] 
 931          colours['azure 2']                  = [224, 238, 238] 
 932          colours['azure 3']                  = [193, 205, 205] 
 933          colours['azure 4']                  = [131, 139, 139] 
 934          colours['slate blue 1']             = [131, 111, 255] 
 935          colours['slate blue 2']             = [122, 103, 238] 
 936          colours['slate blue 3']             = [105,  89, 205] 
 937          colours['slate blue 4']             = [ 71,  60, 139] 
 938          colours['royal blue 1']             = [ 72, 118, 255] 
 939          colours['royal blue 2']             = [ 67, 110, 238] 
 940          colours['royal blue 3']             = [ 58,  95, 205] 
 941          colours['royal blue 4']             = [ 39,  64, 139] 
 942          colours['blue 1']                   = [  0,   0, 255] 
 943          colours['blue 2']                   = [  0,   0, 238] 
 944          colours['blue 3']                   = [  0,   0, 205] 
 945          colours['blue 4']                   = [  0,   0, 139] 
 946          colours['dodger blue 1']            = [ 30, 144, 255] 
 947          colours['dodger blue 2']            = [ 28, 134, 238] 
 948          colours['dodger blue 3']            = [ 24, 116, 205] 
 949          colours['dodger blue 4']            = [ 16,  78, 139] 
 950          colours['steel blue 1']             = [ 99, 184, 255] 
 951          colours['steel blue 2']             = [ 92, 172, 238] 
 952          colours['steel blue 3']             = [ 79, 148, 205] 
 953          colours['steel blue 4']             = [ 54, 100, 139] 
 954          colours['deep sky blue 1']          = [  0, 191, 255] 
 955          colours['deep sky blue 2']          = [  0, 178, 238] 
 956          colours['deep sky blue 3']          = [  0, 154, 205] 
 957          colours['deep sky blue 4']          = [  0, 104, 139] 
 958          colours['sky blue 1']               = [135, 206, 255] 
 959          colours['sky blue 2']               = [126, 192, 238] 
 960          colours['sky blue 3']               = [108, 166, 205] 
 961          colours['sky blue 4']               = [ 74, 112, 139] 
 962          colours['light sky blue 1']         = [176, 226, 255] 
 963          colours['light sky blue 2']         = [164, 211, 238] 
 964          colours['light sky blue 3']         = [141, 182, 205] 
 965          colours['light sky blue 4']         = [ 96, 123, 139] 
 966          colours['slate grey 1']             = [198, 226, 255] 
 967          colours['slate grey 2']             = [185, 211, 238] 
 968          colours['slate grey 3']             = [159, 182, 205] 
 969          colours['slate grey 4']             = [108, 123, 139] 
 970          colours['light steel blue 1']       = [202, 225, 255] 
 971          colours['light steel blue 2']       = [188, 210, 238] 
 972          colours['light steel blue 3']       = [162, 181, 205] 
 973          colours['light steel blue 4']       = [110, 123, 139] 
 974          colours['light blue 1']             = [191, 239, 255] 
 975          colours['light blue 2']             = [178, 223, 238] 
 976          colours['light blue 3']             = [154, 192, 205] 
 977          colours['light blue 4']             = [104, 131, 139] 
 978          colours['light cyan 1']             = [224, 255, 255] 
 979          colours['light cyan 2']             = [209, 238, 238] 
 980          colours['light cyan 3']             = [180, 205, 205] 
 981          colours['light cyan 4']             = [122, 139, 139] 
 982          colours['pale turquoise 1']         = [187, 255, 255] 
 983          colours['pale turquoise 2']         = [174, 238, 238] 
 984          colours['pale turquoise 3']         = [150, 205, 205] 
 985          colours['pale turquoise 4']         = [102, 139, 139] 
 986          colours['cadet blue 1']             = [152, 245, 255] 
 987          colours['cadet blue 2']             = [142, 229, 238] 
 988          colours['cadet blue 3']             = [122, 197, 205] 
 989          colours['cadet blue 4']             = [ 83, 134, 139] 
 990          colours['turquoise 1']              = [  0, 245, 255] 
 991          colours['turquoise 2']              = [  0, 229, 238] 
 992          colours['turquoise 3']              = [  0, 197, 205] 
 993          colours['turquoise 4']              = [  0, 134, 139] 
 994          colours['cyan 1']                   = [  0, 255, 255] 
 995          colours['cyan 2']                   = [  0, 238, 238] 
 996          colours['cyan 3']                   = [  0, 205, 205] 
 997          colours['cyan 4']                   = [  0, 139, 139] 
 998          colours['dark slate grey 1']        = [151, 255, 255] 
 999          colours['dark slate grey 2']        = [141, 238, 238] 
1000          colours['dark slate grey 3']        = [121, 205, 205] 
1001          colours['dark slate grey 4']        = [ 82, 139, 139] 
1002          colours['aquamarine 1']             = [127, 255, 212] 
1003          colours['aquamarine 2']             = [118, 238, 198] 
1004          colours['aquamarine 3']             = [102, 205, 170] 
1005          colours['aquamarine 4']             = [ 69, 139, 116] 
1006          colours['dark sea green 1']         = [193, 255, 193] 
1007          colours['dark sea green 2']         = [180, 238, 180] 
1008          colours['dark sea green 3']         = [155, 205, 155] 
1009          colours['dark sea green 4']         = [105, 139, 105] 
1010          colours['sea green 1']              = [ 84, 255, 159] 
1011          colours['sea green 2']              = [ 78, 238, 148] 
1012          colours['sea green 3']              = [ 67, 205, 128] 
1013          colours['sea green 4']              = [ 46, 139,  87] 
1014          colours['pale green 1']             = [154, 255, 154] 
1015          colours['pale green 2']             = [144, 238, 144] 
1016          colours['pale green 3']             = [124, 205, 124] 
1017          colours['pale green 4']             = [ 84, 139,  84] 
1018          colours['spring green 1']           = [  0, 255, 127] 
1019          colours['spring green 2']           = [  0, 238, 118] 
1020          colours['spring green 3']           = [  0, 205, 102] 
1021          colours['spring green 4']           = [  0, 139,  69] 
1022          colours['green 1']                  = [  0, 255,   0] 
1023          colours['green 2']                  = [  0, 238,   0] 
1024          colours['green 3']                  = [  0, 205,   0] 
1025          colours['green 4']                  = [  0, 139,   0] 
1026          colours['chartreuse 1']             = [127, 255,   0] 
1027          colours['chartreuse 2']             = [118, 238,   0] 
1028          colours['chartreuse 3']             = [102, 205,   0] 
1029          colours['chartreuse 4']             = [ 69, 139,   0] 
1030          colours['olive drab 1']             = [192, 255,  62] 
1031          colours['olive drab 2']             = [179, 238,  58] 
1032          colours['olive drab 3']             = [154, 205,  50] 
1033          colours['olive drab 4']             = [105, 139,  34] 
1034          colours['dark olive green 1']       = [202, 255, 112] 
1035          colours['dark olive green 2']       = [188, 238, 104] 
1036          colours['dark olive green 3']       = [162, 205,  90] 
1037          colours['dark olive green 4']       = [110, 139,  61] 
1038          colours['khaki 1']                  = [255, 246, 143] 
1039          colours['khaki 2']                  = [238, 230, 133] 
1040          colours['khaki 3']                  = [205, 198, 115] 
1041          colours['khaki 4']                  = [139, 134,  78] 
1042          colours['light goldenrod 1']        = [255, 236, 139] 
1043          colours['light goldenrod 2']        = [238, 220, 130] 
1044          colours['light goldenrod 3']        = [205, 190, 112] 
1045          colours['light goldenrod 4']        = [139, 129,  76] 
1046          colours['light yellow 1']           = [255, 255, 224] 
1047          colours['light yellow 2']           = [238, 238, 209] 
1048          colours['light yellow 3']           = [205, 205, 180] 
1049          colours['light yellow 4']           = [139, 139, 122] 
1050          colours['yellow 1']                 = [255, 255,   0] 
1051          colours['yellow 2']                 = [238, 238,   0] 
1052          colours['yellow 3']                 = [205, 205,   0] 
1053          colours['yellow 4']                 = [139, 139,   0] 
1054          colours['gold 1']                   = [255, 215,   0] 
1055          colours['gold 2']                   = [238, 201,   0] 
1056          colours['gold 3']                   = [205, 173,   0] 
1057          colours['gold 4']                   = [139, 117,   0] 
1058          colours['goldenrod 1']              = [255, 193,  37] 
1059          colours['goldenrod 2']              = [238, 180,  34] 
1060          colours['goldenrod 3']              = [205, 155,  29] 
1061          colours['goldenrod 4']              = [139, 105,  20] 
1062          colours['dark goldenrod 1']         = [255, 185,  15] 
1063          colours['dark goldenrod 2']         = [238, 173,  14] 
1064          colours['dark goldenrod 3']         = [205, 149,  12] 
1065          colours['dark goldenrod 4']         = [139, 101,   8] 
1066          colours['rosy brown 1']             = [255, 193, 193] 
1067          colours['rosy brown 2']             = [238, 180, 180] 
1068          colours['rosy brown 3']             = [205, 155, 155] 
1069          colours['rosy brown 4']             = [139, 105, 105] 
1070          colours['indian red 1']             = [255, 106, 106] 
1071          colours['indian red 2']             = [238,  99,  99] 
1072          colours['indian red 3']             = [205,  85,  85] 
1073          colours['indian red 4']             = [139,  58,  58] 
1074          colours['sienna 1']                 = [255, 130,  71] 
1075          colours['sienna 2']                 = [238, 121,  66] 
1076          colours['sienna 3']                 = [205, 104,  57] 
1077          colours['sienna 4']                 = [139,  71,  38] 
1078          colours['burlywood 1']              = [255, 211, 155] 
1079          colours['burlywood 2']              = [238, 197, 145] 
1080          colours['burlywood 3']              = [205, 170, 125] 
1081          colours['burlywood 4']              = [139, 115,  85] 
1082          colours['wheat 1']                  = [255, 231, 186] 
1083          colours['wheat 2']                  = [238, 216, 174] 
1084          colours['wheat 3']                  = [205, 186, 150] 
1085          colours['wheat 4']                  = [139, 126, 102] 
1086          colours['tan 1']                    = [255, 165,  79] 
1087          colours['tan 2']                    = [238, 154,  73] 
1088          colours['tan 3']                    = [205, 133,  63] 
1089          colours['tan 4']                    = [139,  90,  43] 
1090          colours['chocolate 1']              = [255, 127,  36] 
1091          colours['chocolate 2']              = [238, 118,  33] 
1092          colours['chocolate 3']              = [205, 102,  29] 
1093          colours['chocolate 4']              = [139,  69,  19] 
1094          colours['firebrick 1']              = [255,  48,  48] 
1095          colours['firebrick 2']              = [238,  44,  44] 
1096          colours['firebrick 3']              = [205,  38,  38] 
1097          colours['firebrick 4']              = [139,  26,  26] 
1098          colours['brown 1']                  = [255,  64,  64] 
1099          colours['brown 2']                  = [238,  59,  59] 
1100          colours['brown 3']                  = [205,  51,  51] 
1101          colours['brown 4']                  = [139,  35,  35] 
1102          colours['salmon 1']                 = [255, 140, 105] 
1103          colours['salmon 2']                 = [238, 130,  98] 
1104          colours['salmon 3']                 = [205, 112,  84] 
1105          colours['salmon 4']                 = [139,  76,  57] 
1106          colours['light salmon 1']           = [255, 160, 122] 
1107          colours['light salmon 2']           = [238, 149, 114] 
1108          colours['light salmon 3']           = [205, 129,  98] 
1109          colours['light salmon 4']           = [139,  87,  66] 
1110          colours['orange 1']                 = [255, 165,   0] 
1111          colours['orange 2']                 = [238, 154,   0] 
1112          colours['orange 3']                 = [205, 133,   0] 
1113          colours['orange 4']                 = [139,  90,   0] 
1114          colours['dark orange 1']            = [255, 127,   0] 
1115          colours['dark orange 2']            = [238, 118,   0] 
1116          colours['dark orange 3']            = [205, 102,   0] 
1117          colours['dark orange 4']            = [139,  69,   0] 
1118          colours['coral 1']                  = [255, 114,  86] 
1119          colours['coral 2']                  = [238, 106,  80] 
1120          colours['coral 3']                  = [205,  91,  69] 
1121          colours['coral 4']                  = [139,  62,  47] 
1122          colours['tomato 1']                 = [255,  99,  71] 
1123          colours['tomato 2']                 = [238,  92,  66] 
1124          colours['tomato 3']                 = [205,  79,  57] 
1125          colours['tomato 4']                 = [139,  54,  38] 
1126          colours['orange red 1']             = [255,  69,   0] 
1127          colours['orange red 2']             = [238,  64,   0] 
1128          colours['orange red 3']             = [205,  55,   0] 
1129          colours['orange red 4']             = [139,  37,   0] 
1130          colours['red 1']                    = [255,   0,   0] 
1131          colours['red 2']                    = [238,   0,   0] 
1132          colours['red 3']                    = [205,   0,   0] 
1133          colours['red 4']                    = [139,   0,   0] 
1134          colours['deep pink 1']              = [255,  20, 147] 
1135          colours['deep pink 2']              = [238,  18, 137] 
1136          colours['deep pink 3']              = [205,  16, 118] 
1137          colours['deep pink 4']              = [139,  10,  80] 
1138          colours['hot pink 1']               = [255, 110, 180] 
1139          colours['hot pink 2']               = [238, 106, 167] 
1140          colours['hot pink 3']               = [205,  96, 144] 
1141          colours['hot pink 4']               = [139,  58,  98] 
1142          colours['pink 1']                   = [255, 181, 197] 
1143          colours['pink 2']                   = [238, 169, 184] 
1144          colours['pink 3']                   = [205, 145, 158] 
1145          colours['pink 4']                   = [139,  99, 108] 
1146          colours['light pink 1']             = [255, 174, 185] 
1147          colours['light pink 2']             = [238, 162, 173] 
1148          colours['light pink 3']             = [205, 140, 149] 
1149          colours['light pink 4']             = [139,  95, 101] 
1150          colours['pale violet red 1']        = [255, 130, 171] 
1151          colours['pale violet red 2']        = [238, 121, 159] 
1152          colours['pale violet red 3']        = [205, 104, 137] 
1153          colours['pale violet red 4']        = [139,  71,  93] 
1154          colours['maroon 1']                 = [255,  52, 179] 
1155          colours['maroon 2']                 = [238,  48, 167] 
1156          colours['maroon 3']                 = [205,  41, 144] 
1157          colours['maroon 4']                 = [139,  28,  98] 
1158          colours['violet red 1']             = [255,  62, 150] 
1159          colours['violet red 2']             = [238,  58, 140] 
1160          colours['violet red 3']             = [205,  50, 120] 
1161          colours['violet red 4']             = [139,  34,  82] 
1162          colours['magenta 1']                = [255,   0, 255] 
1163          colours['magenta 2']                = [238,   0, 238] 
1164          colours['magenta 3']                = [205,   0, 205] 
1165          colours['magenta 4']                = [139,   0, 139] 
1166          colours['orchid 1']                 = [255, 131, 250] 
1167          colours['orchid 2']                 = [238, 122, 233] 
1168          colours['orchid 3']                 = [205, 105, 201] 
1169          colours['orchid 4']                 = [139,  71, 137] 
1170          colours['plum 1']                   = [255, 187, 255] 
1171          colours['plum 2']                   = [238, 174, 238] 
1172          colours['plum 3']                   = [205, 150, 205] 
1173          colours['plum 4']                   = [139, 102, 139] 
1174          colours['medium orchid 1']          = [224, 102, 255] 
1175          colours['medium orchid 2']          = [209,  95, 238] 
1176          colours['medium orchid 3']          = [180,  82, 205] 
1177          colours['medium orchid 4']          = [122,  55, 139] 
1178          colours['dark orchid 1']            = [191,  62, 255] 
1179          colours['dark orchid 2']            = [178,  58, 238] 
1180          colours['dark orchid 3']            = [154,  50, 205] 
1181          colours['dark orchid 4']            = [104,  34, 139] 
1182          colours['purple 1']                 = [155,  48, 255] 
1183          colours['purple 2']                 = [145,  44, 238] 
1184          colours['purple 3']                 = [125,  38, 205] 
1185          colours['purple 4']                 = [ 85,  26, 139] 
1186          colours['medium purple 1']          = [171, 130, 255] 
1187          colours['medium purple 2']          = [159, 121, 238] 
1188          colours['medium purple 3']          = [137, 104, 205] 
1189          colours['medium purple 4']          = [ 93,  71, 139] 
1190          colours['thistle 1']                = [255, 225, 255] 
1191          colours['thistle 2']                = [238, 210, 238] 
1192          colours['thistle 3']                = [205, 181, 205] 
1193          colours['thistle 4']                = [139, 123, 139] 
1194          colours['grey 0']                   = [  0,   0,   0] 
1195          colours['grey 1']                   = [  3,   3,   3] 
1196          colours['grey 2']                   = [  5,   5,   5] 
1197          colours['grey 3']                   = [  8,   8,   8] 
1198          colours['grey 4']                   = [ 10,  10,  10] 
1199          colours['grey 5']                   = [ 13,  13,  13] 
1200          colours['grey 6']                   = [ 15,  15,  15] 
1201          colours['grey 7']                   = [ 18,  18,  18] 
1202          colours['grey 8']                   = [ 20,  20,  20] 
1203          colours['grey 9']                   = [ 23,  23,  23] 
1204          colours['grey 10']                  = [ 26,  26,  26] 
1205          colours['grey 11']                  = [ 28,  28,  28] 
1206          colours['grey 12']                  = [ 31,  31,  31] 
1207          colours['grey 13']                  = [ 33,  33,  33] 
1208          colours['grey 14']                  = [ 36,  36,  36] 
1209          colours['grey 15']                  = [ 38,  38,  38] 
1210          colours['grey 16']                  = [ 41,  41,  41] 
1211          colours['grey 17']                  = [ 43,  43,  43] 
1212          colours['grey 18']                  = [ 46,  46,  46] 
1213          colours['grey 19']                  = [ 48,  48,  48] 
1214          colours['grey 20']                  = [ 51,  51,  51] 
1215          colours['grey 21']                  = [ 54,  54,  54] 
1216          colours['grey 22']                  = [ 56,  56,  56] 
1217          colours['grey 23']                  = [ 59,  59,  59] 
1218          colours['grey 24']                  = [ 61,  61,  61] 
1219          colours['grey 25']                  = [ 64,  64,  64] 
1220          colours['grey 26']                  = [ 66,  66,  66] 
1221          colours['grey 27']                  = [ 69,  69,  69] 
1222          colours['grey 28']                  = [ 71,  71,  71] 
1223          colours['grey 29']                  = [ 74,  74,  74] 
1224          colours['grey 30']                  = [ 77,  77,  77] 
1225          colours['grey 31']                  = [ 79,  79,  79] 
1226          colours['grey 32']                  = [ 82,  82,  82] 
1227          colours['grey 33']                  = [ 84,  84,  84] 
1228          colours['grey 34']                  = [ 87,  87,  87] 
1229          colours['grey 35']                  = [ 89,  89,  89] 
1230          colours['grey 36']                  = [ 92,  92,  92] 
1231          colours['grey 37']                  = [ 94,  94,  94] 
1232          colours['grey 38']                  = [ 97,  97,  97] 
1233          colours['grey 39']                  = [ 99,  99,  99] 
1234          colours['grey 40']                  = [102, 102, 102] 
1235          colours['grey 41']                  = [105, 105, 105] 
1236          colours['grey 42']                  = [107, 107, 107] 
1237          colours['grey 43']                  = [110, 110, 110] 
1238          colours['grey 44']                  = [112, 112, 112] 
1239          colours['grey 45']                  = [115, 115, 115] 
1240          colours['grey 46']                  = [117, 117, 117] 
1241          colours['grey 47']                  = [120, 120, 120] 
1242          colours['grey 48']                  = [122, 122, 122] 
1243          colours['grey 49']                  = [125, 125, 125] 
1244          colours['grey 50']                  = [127, 127, 127] 
1245          colours['grey 51']                  = [130, 130, 130] 
1246          colours['grey 52']                  = [133, 133, 133] 
1247          colours['grey 53']                  = [135, 135, 135] 
1248          colours['grey 54']                  = [138, 138, 138] 
1249          colours['grey 55']                  = [140, 140, 140] 
1250          colours['grey 56']                  = [143, 143, 143] 
1251          colours['grey 57']                  = [145, 145, 145] 
1252          colours['grey 58']                  = [148, 148, 148] 
1253          colours['grey 59']                  = [150, 150, 150] 
1254          colours['grey 60']                  = [153, 153, 153] 
1255          colours['grey 61']                  = [156, 156, 156] 
1256          colours['grey 62']                  = [158, 158, 158] 
1257          colours['grey 63']                  = [161, 161, 161] 
1258          colours['grey 64']                  = [163, 163, 163] 
1259          colours['grey 65']                  = [166, 166, 166] 
1260          colours['grey 66']                  = [168, 168, 168] 
1261          colours['grey 67']                  = [171, 171, 171] 
1262          colours['grey 68']                  = [173, 173, 173] 
1263          colours['grey 69']                  = [176, 176, 176] 
1264          colours['grey 70']                  = [179, 179, 179] 
1265          colours['grey 71']                  = [181, 181, 181] 
1266          colours['grey 72']                  = [184, 184, 184] 
1267          colours['grey 73']                  = [186, 186, 186] 
1268          colours['grey 74']                  = [189, 189, 189] 
1269          colours['grey 75']                  = [191, 191, 191] 
1270          colours['grey 76']                  = [194, 194, 194] 
1271          colours['grey 77']                  = [196, 196, 196] 
1272          colours['grey 78']                  = [199, 199, 199] 
1273          colours['grey 79']                  = [201, 201, 201] 
1274          colours['grey 80']                  = [204, 204, 204] 
1275          colours['grey 81']                  = [207, 207, 207] 
1276          colours['grey 82']                  = [209, 209, 209] 
1277          colours['grey 83']                  = [212, 212, 212] 
1278          colours['grey 84']                  = [214, 214, 214] 
1279          colours['grey 85']                  = [217, 217, 217] 
1280          colours['grey 86']                  = [219, 219, 219] 
1281          colours['grey 87']                  = [222, 222, 222] 
1282          colours['grey 88']                  = [224, 224, 224] 
1283          colours['grey 89']                  = [227, 227, 227] 
1284          colours['grey 90']                  = [229, 229, 229] 
1285          colours['grey 91']                  = [232, 232, 232] 
1286          colours['grey 92']                  = [235, 235, 235] 
1287          colours['grey 93']                  = [237, 237, 237] 
1288          colours['grey 94']                  = [240, 240, 240] 
1289          colours['grey 95']                  = [242, 242, 242] 
1290          colours['grey 96']                  = [245, 245, 245] 
1291          colours['grey 97']                  = [247, 247, 247] 
1292          colours['grey 98']                  = [250, 250, 250] 
1293          colours['grey 99']                  = [252, 252, 252] 
1294          colours['grey 100']                 = [255, 255, 255] 
1295          colours['dark grey']                = [169, 169, 169] 
1296          colours['dark blue']                = [  0,   0, 139] 
1297          colours['dark cyan']                = [  0, 139, 139] 
1298          colours['dark magenta']             = [139,   0, 139] 
1299          colours['dark red']                 = [139,   0,   0] 
1300          colours['light green']              = [144, 238, 144] 
1301   
1302          # Invalid colour string. 
1303          if not colours.has_key(name): 
1304              raise RelaxInvalidColourError, name 
1305   
1306          # Return the RGB colour array (in Numeric format and between 0 and 1). 
1307          return array(colours[name], Float64) / 255. 
1308