10 color matching

Quick answer：

Color matching refers to the process of combining colors in a harmonious way. It is an essential aspect of design, fashion, and visual arts. In the context of design, the rule of '10 color matching' suggests a method to create a balanced color scheme by using a palette of 10 colors. This could include primary, secondary, and tertiary colors, along with neutral shades, to achieve a cohesive and aesthetically pleasing result.