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Color tools
Hex / RGB / HSL conversions, palette + gradient generators, WCAG contrast checker, colour-blindness simulator.
100% client-side processing
Works offline once loaded
Commercial use OK
Free forever
9 tools
Hex to RGB Converter
Convert hex colour codes to CSS rgb() / rgba() values instantly.
RGB to Hex Converter
Convert CSS rgb() / rgba() colours to hex codes.
Hex to HSL Converter
Convert hex codes to CSS hsl() values.
HSL to Hex Converter
Convert CSS hsl() values to hex codes.
Color Palette Generator
Build colour palettes from a base hex — complementary, analogous, triadic, tetradic, monochromatic.
CSS Gradient Generator
Linear CSS gradient builder with live preview, CSS export and 1920×1080 PNG download.
WCAG Contrast Checker
Check whether two colours meet WCAG AA / AAA contrast ratios.
Color Blindness Simulator
Simulate protanopia, deuteranopia, tritanopia and achromatopsia on any image.
Random Color Generator
Generate random colours with hex, RGB and HSL output.