Secondary Colors. The colors made by mixing equal amounts of two primary colors together. According to traditional Color Theory derived from paint mixtures: Red and Yellow to get Orange, Yellow and Blue to get Green, or Red and Blue to get purple. Related Terms: Primary Colors, Tertiary Colors, Adjacent Colors, Complementary Colors, Color Wheel. Learn more at About the Colors: the Color TheoryAbout Colorland, Site Policy & Important Notices. Colorland Network©Gabriel Picart. All rights reserved.