Color Graphics Adapter - Color Palette

Color Palette

Despite varying bit depths in CGA's graphics mode (see below), CGA processes colors in its palette in four bits, yielding 24 = 16 different colors. The four color bits are arranged according to the RGBI color model: The lower three bits represent red, green, and blue color components; a fourth "intensifier" bit increases the brightness of all three color components (red, green, and blue) of the pixels it is set for.

Full CGA 16-color palette
0 black
#000000
8 gray
#555555
1 blue
#0000AA
9 light blue
#5555FF
2 green
#00AA00
10 light green
#55FF55
3 cyan
#00AAAA
11 light cyan
#55FFFF
4 red
#AA0000
12 light red
#FF5555
5 magenta
#AA00AA
13 light magenta
#FF55FF
6 brown
#AA5500
14 yellow
#FFFF55
7 light gray
#AAAAAA
15 white (high intensity)
#FFFFFF

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