The basic hue is yellow, orange, red, purple, blue, blue-green, green and yellow-green, and each basic hue is divided into three parts to form 24 divided color rings, which are arranged from 1 to No.24. 24 The names of the 24 colors of the color phase ring are shown in the figure below:

Tricolor group

Tricolor group is any three colors with equal distance in the color circle. When using three-color groups in color scheme, it will give the observer a sense of tension, because all three colors are in strong contrast. Both primary and secondary colors are tricolor groups.

warm colour

Warm colors are composed of red tones, such as red, orange and yellow. This color choice gives people a warm, comfortable and energetic feeling. The visual effects produced by these colors make them closer to the audience and more prominent on the page.

cool colour

Cool colors come from blue tones, such as blue, cyan and green. These colors make the color scheme stable and refreshing. They also look far away from the audience, so they are suitable for page background.