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Kordu Tools

Colour Tools

Colour picker, palette generator, and contrast checker

Colour Contrast Checker

Check WCAG colour contrast ratios between foreground and background colours instantly.

Popular

Colour Picker

Pick a colour and inspect HEX, RGB, HSL, HSV, CMYK, alpha, and decimal values instantly.

Design with confidence using our free online colour tools. Pick and convert colours between HEX, RGB, HSL, and other formats, generate harmonious palettes from a base colour, and check contrast ratios against WCAG accessibility standards. Ideal for designers, developers, and anyone working with colour on the web.