CSS Variable Generator
Build a color token list, preview each variable, and copy ready-to-use CSS custom properties.
How to use
- Enter a variable prefix such as brand, theme, or ui.
- Update each variable name and pick a color.
- Add more rows if you need extra variables.
- Copy the generated CSS and paste it into your stylesheet.
Color preview
--brand-primary
--brand-secondary
--brand-accent
Generated CSS variables
:root {
--brand-primary: #4f46e5;
--brand-secondary: #06b6d4;
--brand-accent: #f59e0b;
}Build cleaner color systems with CSS variables
Use this tool to generate consistent :root color tokens, reduce repeated values, and make updates easier across your stylesheets.
When to use this tool
- You keep repeating the same color values in multiple CSS files.
- You want faster global color updates without search-and-replace mistakes.
- You need a simple starter token set for a small website or landing page.
Quick usage steps
- Add a clear prefix like brand or theme.
- Name each variable by role, then assign HEX values.
- Copy the generated :root block.
- Paste into your stylesheet and replace repeated hardcoded colors.
Common mistakes
- Naming variables by color appearance only, not by UI role.
- Using inconsistent prefixes across files.
- Mixing hardcoded values with variables for the same UI elements.
Related CSS variable guides
Read quick practical guides to build a maintainable CSS variable workflow.