255 2 * 10^2 (200) 5 * 10^1 (50) 5 * 10^0 (5) = 255 FF 0 1 2 3 4 5 6 7 8 9 A B C D E F F(15) * 16^1 (240) F(15) * 16^0 (15) = 255 #FF0000 (255, 0, 0) #00FF00 #0000FF #FF00FF #000000 #FFFFFF #CCCCCC #EEEEEE #CCC #FFCC00 - gold #990000 - maroon