CSS color syntax

Generate modern CSS color syntax from one seed.

Create readable CSS color values, custom properties, alpha variants, color-mix examples, and light-dark syntax for production stylesheets.

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Free color utility

CSS Colors

Inputs update live, exports are copy-ready, and the color math stays deterministic.

Modern CSS

Generate syntax

How it fits

Generate CSS with fallback context.

Copy modern CSS color syntax while keeping practical fallbacks visible for production stylesheets.

Modern color values

Generate RGB, HSL, Lab, LCH, OKLab, OKLCH, color-mix(), and light-dark() examples.

Copy presets

Choose CSS variables, theme blocks, component variables, or modern CSS with fallbacks.

Naming consistency

Outputs use predictable custom-property names that are easy to adapt to a design system.