By convention, the three primary colors in additive mixing are red, green, and blue. In the absence of light of any color, the result is black. If all three primary colors of light are mixed in equal proportions, the result is neutral (gray or white).

What colors make white?

If you mix red, green, and blue light, you get white light.

Mixing the colors generates new colors, as shown on the color wheel or circle on the right. This is additive color. As more colors are added, the result becomes lighter, heading towards white.

What three colors make white?

When green and blue light are combined, they make cyan. Red and green light make yellow. And when all three primary colors of light are combined, we see white light.