Palettro

Palettro generates harmonious color palettes the moment you move a slider — no account, no internet, no friction. Pick any seed color with the HSB controls and choose a harmony mode: Complementary, Analogous, or (with Pro) Triadic, Split-Complementary, and Monochromatic. Tap any swatch to copy its HEX, RGB, or HSL value instantly. Designers use Palettro to draft a color scheme before opening Figma. Developers copy Swift or CSS color variables directly from the export sheet. It's the fastest way to go from an idea to a working palette on your phone. Included • Complementary and Analogous modes • Copy HEX, RGB, HSL values • Save up to 3 palettes Pro (one-time unlock) • Triadic, Split-Complementary, Monochromatic modes • Unlimited saved palettes • Export as HEX list, CSS variables, Swift Color, or JSON • Extract a palette from any photo in your library Fully offline. Zero tracking. No subscription.