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Free tool · runs locally

Hex colour picker.

Pick a colour, copy any format, and build a palette that works. Every value is calculated in your browser — no account, no upload, no tracking.

#4C8DFF

Shades & tints click to select

Harmonies colour-theory pairs

Contrast check WCAG 2.1

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Readable text preview

Aim for 4.5:1 for normal text and 3:1 for large text (WCAG AA).

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