Red, Green and Blue
v Recall that colors are created on the screen with a
combination of three colors of light -- red, green, blue
v When drawing, one can specify the exact color by
calling a procedure, RGB( , , ) whose three
parameters are the contribution of the three colors in
the range 0 -- 255
o RGB(0, 0, 0)
o RGB(255, 0, 0)
o RGB(0, 255, 0)
o RGB(0, 0, 255)
o RGB(255,255,255)