trichrome
/ˈtraɪkroʊm, ˈtraɪkroʊm/Definitions
1. noun
A substance or object that has three distinct colors, especially a pigment or dye that exhibits this property.
“The artist used trichrome pigments to create a stunning visual effect in her painting.”
2. adjective
Having or relating to three distinct colors.
“The trichrome pattern on the butterfly’s wings was a striking feature of its appearance.”