Additive mixture ofcolortrichroism is red,green and blue,subtractive mixture,as its complementary colors,is cyan,ma genta and yellow,thatis the dyestuff trichroism.

颜色的加法混和三原色为红、绿、蓝色,减法混和的三原色则是它们的补色,即:青、品红和黄色,染料的三原色是后者。