That s why you can t see in the dark. The primary colors are blue, yellow and red. If you mix them you get secondary colors. When you combine red and blue, the result is purple. If you mix all of them equally, you get black.
Every color has an opposite.
The opposite of back is white, green is red, orange is blue. You see the opposite in an after image. To see an after image you have to stare at a picture for about 30 seconds. Then stare at a white surface and you see the picture in its opposite color. Although blue, red and yellow are primary pigment colors, blue, red and green are the primary colors of light.