Similar colors refer to colors with the same hue, but with different shades of chroma. They are colors within a 15 degree angle in the color wheel.


In the color wheel, all colors within a range of 60 degrees belong to the range of adjacent colors.
The third trick is medium-difference colors
The color matching of 90 degrees in the color wheel has a great color matching tension effect visually, and is a very personalized color matching method

Contrasting colors specifically refer to two colors that are 120 to 180 degrees apart on the color wheel

The strongest contrast, that is, colors that are about 180 degrees apart