Flat design color matching illustration

Quick answer：

Flat design color matching illustration refers to visual representations that demonstrate effective color combinations in flat design. Flat design is a graphic design style that emphasizes simplicity and uses a two-dimensional look with solid, flat colors. These illustrations are often used in the design process to help designers choose and combine colors that are harmonious and visually appealing. They can include examples of color palettes, color harmony rules such as complementary, analogous, and triadic schemes, and show how colors interact within a design space.