RGB (Red, Green, Blue), a light-color structure that contains 3×256 values of letter symbols, and CMYK (Cyan, Magenta, Yellow, Key black), a pigment-color structure that contains 4×100 values of ...

The curses.h include file defines these color macros: COLOR_BLACK COLOR_RED COLOR_GREEN COLOR_YELLOW COLOR_BLUE COLOR_MAGENTA COLOR_CYAN COLOR_WHITE But why only eight colors ... CGA supports mixing ...