ADDITIVE COLOR MIXING 101

			1
			Red = 255, 0, 0
			Green = 0, 128, 0
			Blue = 0, 0, 255
			Red + Green + Blue = ?
		
			1
			R = 255 + 0 + 0 = 255
			G = 0 + 128 + 0 = 128
			B = 0 + 0 + 255 = 255
			R = G = B = 255
		
			1
			R = 255, 0, 0 + 0, 128, 0 + 0, 0, 255 =
			= 255, 128, 255
		
Learn more about RGB color model.
Go to Advanced Additive Color Mixing.