complementary color

This term is primarily used in the fields of art, design, and optics to describe a specific relationship between two hues. It carries a technical connotation of balance and contrast, where the pairing is intended to create maximum visual tension or, conversely, to neutralize a color when mixed. It is distinct from "complimentary," which refers to something given for free or expressing praise.

In a practical design context, using complementary colors is a deliberate strategy to draw attention to a specific element. Because these colors sit opposite each other on the color wheel, they provide the strongest possible contrast, making them essential for creating vibrant compositions or correcting color casts in photography and painting.