Free Colour Tools
A suite of browser-based colour utilities for designers and developers — convert between formats, generate palettes and harmonies, simulate colour blindness, and pick pixel-perfect colour values. Everything runs locally, with no login or tracking.
Colour Blindness Simulator
Simulate how designs appear to users with Deuteranopia, Protanopia, and Tritanopia.
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Colour Converter
Convert color formats between Hex, RGB, HSL, HSV, and CMYK.
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Gradient Generator
Design beautiful CSS gradients and copy ready-to-use style values.
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Harmony Generator
Calculate complementary, split-complementary, triadic, and analogous color harmonies.
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Palette Collection
Browse beautiful curated color combinations for UI design.
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Palette Extractor
Extract prominent color palettes from dropped or uploaded image files.
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Pixel Picker
Upload an image and pick precise RGB/Hex color codes pixel-by-pixel.
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