DoColors

Toolkit

Free browser color tools

Converters, accessibility checks, and palette helpers run locally in your browser — handy for static hosting without API keys or databases.

Color scheme generator

Spin up complementary, triadic, and square harmonies from a single anchor swatch.

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Color converters

Move between HEX, RGB, HSL, HSV, and CMYK with editable numeric fields.

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Contrast checker

Estimate WCAG contrast ratios for typography-focused UI decisions.

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Image → palette

Sample dominant tones from an uploaded image via lightweight clustering.

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Gradient lab

Compose linear or radial CSS gradients with draggable stops and instant previews.

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