七色光赤橙黃綠青藍紫的RGB表示如下: (1)赤:( 255,0,0) (2)橙:(255,128,0) (3)黃:(255,255,0) (4)綠:(0,255,0) (5)青:(0,255,255) (6)藍:(0,0,255) (7)紫:(128,0,255)
七色光赤橙黃綠青藍紫的CMYK表示如下: (1)赤:C0 M100 Y100 K0 (2)橙:C10 M60 Y100 K0 (3)黃:C0 M0 Y100 K0 (4)綠:C100 M0 Y100 K0 (5)青:C80 M20 Y30 K0 (6)藍:C100 M0 Y0 K0 (7)紫:C100 M100 Y0 K0