Color scheme for hex colors

Quick answer：

A color scheme for hex colors refers to a collection of colors that are harmoniously paired together. Hex color codes are a hexadecimal representation of a color's red, green, and blue (RGB) components. Designers use color schemes to create visually appealing and cohesive designs in web development, graphic design, and other visual arts. Common color schemes include monochromatic, complementary, analogous, triadic, tetradic, and split-complementary.