In additive color mixing, which color is complementary to blue?

In additive color mixing, which color is complementary to blue?

• A. Yellow
• B. Red
• C. Green
• D. Cyan

Answer: (A)

Complementary colors in additive color mixing are colors that, when combined as light, produce white. The primary colors of light are red, green, and blue. Blue’s complement is the color that, when added to blue, yields red+green+blue = white. That color is yellow, because yellow light is produced by combining red and green. So blue and yellow form a complementary pair in additive color mixing. (In subtractive color mixing, complementary relationships differ.)

Complementary colors in additive color mixing are colors that, when combined as light, produce white. The primary colors of light are red, green, and blue. Blue’s complement is the color that, when added to blue, yields red+green+blue = white. That color is yellow, because yellow light is produced by combining red and green. So blue and yellow form a complementary pair in additive color mixing. (In subtractive color mixing, complementary relationships differ.)