HelenOS sources
console_set_rgb_color 104 uspace/app/tester/console/console1.c console_set_rgb_color(console, i << 16, (255 - i) << 16);
console_set_rgb_color 113 uspace/app/tester/console/console1.c console_set_rgb_color(console, i << 8, (255 - i) << 8);
console_set_rgb_color 122 uspace/app/tester/console/console1.c console_set_rgb_color(console, i, 255 - i);
console_set_rgb_color 102 uspace/app/tetris/screen.c console_set_rgb_color(console, color, 0xffffff);
console_set_rgb_color 95 uspace/dist/src/c/demos/tetris/screen.c console_set_rgb_color(console, use_color ? color : 0x000000,
console_set_rgb_color 82 uspace/lib/console/include/io/console.h extern void console_set_rgb_color(console_ctrl_t *, uint32_t, uint32_t);
HelenOS homepage, sources at GitHub