Seven Common Colors

Quick answer：

Seven common colors refer to a basic set of colors used in various contexts such as art, design, and color theory. This set typically includes red, blue, yellow, green, orange, purple, and black or white. These colors are considered fundamental because they can be mixed to create a wide range of other colors. In color theory, the primary colors red, blue, and yellow are used to create secondary colors, which are orange, green, and purple.