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.
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.