: This double-complementary color scheme consists of two complementary pairs, resulting in a rectangle shape on the color wheel — that means that green and blue go with orange and red. How to ...

Color schemes remain harmonious regardless of the rotation angle. ... Tetradic or double complementary colors uses four colors together, in the form of two sets of complementary colors.

Tetradic colors, also known as double complementary colors, are color combinations that use two pairs of complementary colors for a total of four (“tetra,” in Greek) colors.

This scheme is a bit easier to balance than the complementary scheme. Instead of using one color's exact opposite on the color wheel, it uses the two colors next to the opposite.