mixed color; compound color
Refers to a color produced by mixing two or more colors, or the act of mixing colors. Common in art, design, and printing contexts.
I mixed paints to create a new color.
This printer prints photos using a mixture of four colors.
Compound of 混 (kon, 'mix') and 色 (shoku, 'color'). The reading is on'yomi, and the word is a straightforward Sino-Japanese term.