Developer Tools
CSS Variables Generator
🔒 Runs in your browser
Build a CSS custom properties color palette — add named colors, set a variable prefix, and copy the ready-to-paste :root { --color-* } block. Free, instant, no signup.
Variables will be named --color-<name>
Color palette
CSS output
:root {
--color-primary: #3b82f6;
--color-secondary: #8b5cf6;
--color-accent: #f59e0b;
--color-success: #10b981;
--color-danger: #ef4444;
--color-background: #ffffff;
--color-surface: #f8fafc;
--color-text: #0f172a;
}How to Use CSS Custom Properties (Variables) (2026)
How to Use CSS Custom Properties (Variables) — free online tool and guide with examples.