5 colors

Quick answer：

The term '5 colors' refers to a list of five different colors. Colors are a fundamental aspect of visual perception and are typically categorized based on their spectral or electromagnetic properties. The five most commonly referenced colors are red, orange, yellow, green, and blue, which together form the primary colors in the RGB color model used in digital displays and photography. In different cultural or artistic contexts, other colors might be included in the count, such as purple or white.