Pick a base color, click update - and instantly get 17 harmonious color palettes based on proven color theory: monochromatic, complementary, triadic, tetradic, split-complementary, pastel, dark, tonal, minimalist, warm shift, cool shift, earth tones, neon, vintage, high contrast, sunset gradient and more. Every color comes with a HEX code and HSL value - ready to paste. Now available in 16 languages -part of a growing toolkit of free web tools for designers, developers, and marketers.