GIMP Palette
Name: HW CGA
Columns: 8
# https://en.wikipedia.org/wiki/List_of_8-bit_computer_hardware_palettes#CGA
  0   0   0	0 - black
  0   0 170	1 - low blue
  0 170   0	2 - low green
  0 170 170	3 - low cyan
170   0   0	4 - low red
170   0 170	5 - low magenta
170  85   0	6 - brown
170 170 170	7 - light gray
 85  85  85	8 - dark gray
 85  85 255	9 - high blue
 85 255  85	10 - high green
 85 255 255	11 - high cyan
255  85  85	12 - high red
255  85 255	13 - high magenta
255 255  85	14 - yellow
255 255 255	15 - white