Flat design color matching methods

Quick answer：

Flat design color matching involves selecting a color palette that complements the design's theme and functionality. Common methods include monochromatic (using shades of a single color), complementary (using colors opposite each other on the color wheel), analogous (using colors next to each other on the color wheel), and split-complementary (using two complementary colors and their analogous colors). These techniques ensure visual harmony and enhance the user experience.