Example image of eyePlorer eyePlorer map for 'Color wheel': Color Complementary color Hue Machine Primary color Secondary color Blue Red RYB color model Yellow Cyan Magenta Isaac Newton Light Wavelength Purple Green Tertiary color RGB color model Opponent process Johann Wolfgang von Goethe Theory of Colours (book) Additive color Metamerism (color) Chromatic adaptation Color triangle Hermann von Helmholtz James Clerk Maxwell Thomas Young Lateral geniculate nucleus Young–Helmholtz theory HSL and HSV Lime (color) Aqua (color) Fuchsia (color) Azure (color) Chartreuse (color) Orange (colour) Rose (color) Spring green (color) Violet (color) Color scheme Color theory Color solid Harmonic (color) Deep sky blue Scarlet (color) Amber (color) Viridian Variations of magenta