Tertiary color
![Page from A New Practical Treatise on the Three Primitive Colours Assumed as a Perfect System of Rudimentary Information by Charles Hayter](/Images/godic/202502/15/Color_diagram_Charles_Hayter2748.jpg")
![Primary, secondary, and tertiary colors of the RGB color wheel](/Images/godic/202502/15/RBG_color_wheel.svg2748.png")
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A tertiary color or quaternary color is a made by mixing either one color with one, or two secondary colors, in a given such as RGB and CMYK (more modern) or RYB (traditional).
Tertiary colors are a combination of full saturation of one primary color plus half saturation of another primary color and none of a third primary color.