Seven Color Combination

Quick answer：

Seven Color Combination refers to the art and science of combining seven different colors in a harmonious way. This concept is often used in design, fashion, and interior decoration. The seven colors usually referred to are the colors of the rainbow: red, orange, yellow, green, blue, indigo, and violet. Designers and artists use these colors to create aesthetically pleasing compositions that evoke specific emotions or convey a particular theme.