Seven color coordination

Quick answer：

Seven color coordination refers to the principle of combining colors in a harmonious way. It is often used in fashion, interior design, and art. The most common method is the color wheel, which divides colors into primary (red, blue, yellow), secondary (orange, green, purple), and tertiary (mix of primary and secondary colors). The color coordination can follow various schemes like complementary, analogous, triadic, and monochromatic.