CSS Custom Properties (:root) Palette Generator

Generate formatted CSS custom property (:root) variable blocks from color lists.

How It Works & Processing Standards

Generate formatted CSS custom property (:root) variable blocks from color lists.

Your input data is never sent to any server and is securely processed on your device.

Current Limits

  • Maximum input length: 100,000 characters

CSS Custom Properties (:root) Palette Generator is a 100% free, browser-based online utility. All calculations and file conversions run locally inside your browser (Local-First) without sending data to remote servers, keeping your documents and inputs strictly private.

How to Use CSS Custom Properties (:root) Palette Generator

  1. 1
    Enter Name & Color PairsType lines with "name color" (e.g. primary #3366cc).
  2. 2
    Copy :root BlockPaste directly into your global stylesheet.

Common Use Cases

  • Scaffolding new design system tokens and theme stylesheets
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