What this tool does
Create CSS custom properties from a palette. Huelab performs the core calculation directly in your browser, so you can work without signing in or handing over your creative files.
How to use it
- Step 1: Select or input your color data into the tool.
- Step 2: Adjust the settings to fit your exact requirements.
- Step 3: Copy the result or export it for your project.
Built for practical color work
Use values across HEX, RGB, HSL, CMYK, LAB, and OKLCH where applicable. Values are rounded for readability while calculations use a centralized color engine for consistency.
Frequently asked questions
What is the CSS Variable Generator?
Create CSS custom properties from a palette.
Is the CSS Variable Generator free to use?
Yes, this tool is 100% free and runs entirely in your browser.