INTERNALS.txt

* Dune II palette
-----------------


The 256 color in game palette IBM.PAL is organized in 16 sub-palettes of
16 colors.

first sub-palette (colors 0-15) is nearly the "CGA" palette :
  0 : #000000 black
  1 : #aa00aa magenta
  2 : #00aaaa cyan
  3 : #00aa00 green
  4 : #55ff55 bright green
  5 : #ffff55 bright yellow
  6 : #ff5555 bright red
  7 : #aa5500 Brown
  8 : #aa0000 Red
  9 : #55ffff bright cyan
 10 : #5151ff bright blue (close to CGA bright blue #5555ff)
 11 : #0000aa blue
 12 : #000000 black (duplicate)
 13 : #555555 dark gray
 14 : #aaaaaa bright gray / white
 15 : #ffffff bright white
  the only missing CGA color is bright magenta #ff55ff

16 *9 = 144 :
current house colors ?

the 6 first colors of sub-palettes 8 to 14 are a shade of the house colors :

 8 (128-133) : ??? grey blue shade
 9 (144-149) : Current house / Harkonnen colors
10 (160-165) : Atreides
11 (176-181) : Ordos
12 (192-197) : Fremen
13 (208-213) : Sardaukar
14 (224-229) : merecenary

colors 215 to 220 are used for text in intro (red gradient)

color 223 = Windtrap cycling color

colors 231 to 238 are used by the option menu (and other Widgets)

color 239 : highlighted text in structure menu : PLACE IT / REPAIR etc.
          is alterning white / red

colors 251,252,253,254 are cycling in arrows in the mission selection
          screen.

color 255 = unit/structure selection (palette cycling) on the map
            and also in factories/construction yard menu