CSS Variables Editor
The AI Browser Extension for managing colors in CSS Variables
FreeBrowser Extension3,999 impressions#9 of its week
A Chrome extension that lets you view, edit, and test CSS variable colors live on any website.
- for
- Front-end developers and designers working with CSS variables and design systems
- pricing
- free
Key features
- Live color editing — Change CSS variable values directly in the browser and see updates instantly on the page
- AI-generated palettes — Generate matching color palettes using OpenAI or Anthropic APIs
- Accessibility testing — Check WCAG contrast scores for each variable and adjust saturation or lightness
- Design system documentation — Displays all global CSS variables as a searchable palette
- Framework support — Shows descriptions for daisyUI and shadcn/ui colors to ensure correct usage
- Export changes — Export modified CSS variables for reuse in your codebase
Use cases
- Update a brand’s primary color across the live site without redeploying code
- Generate accessible color palettes for a new component library
- Document existing CSS variables for onboarding new developers
- Quickly test contrast compliance for WCAG during design reviews
- Export adjusted variables to sync with Tailwind or other CSS frameworks
CSS Variables Editor vs alternatives
 CSS Variables Editor |  SnipCSS | .png?width=64) Tailwind Inspector |  AITDK SEO Extension |  Offsend Browser Extension | |
|---|---|---|---|---|---|
| Best for | Live editing of CSS variable colors | CSS extraction | Tailwind class inspection | SEO analysis | Privacy masking |
| Pricing | Free | Subscription | Free | Free | Free |
| DevHunt upvotes | 3 | 7 | 1 | 26 | 11 |
| Launched | Dec 2024 | Jan 2023 | May 2025 | Jun 2024 | Jun 2026 |
- CSS Variables Editor vs SnipCSS: Focuses on extracting CSS from pages rather than editing variables live
- CSS Variables Editor vs Tailwind Inspector: Inspects and edits Tailwind classes, not CSS variables directly
- CSS Variables Editor vs AITDK SEO Extension: SEO-oriented extension, unrelated to design system colors
- CSS Variables Editor vs Offsend Browser Extension: Masks secrets before AI, unrelated to color management
CSS Variables Editor FAQ
How does the extension update colors on the page?+
When you edit a variable in the UI, the extension writes the new value to the corresponding CSS variable in the page’s stylesheet, updating the UI in real time.
Do I need an API key for AI palette generation?+
Yes, you must provide an OpenAI or Anthropic API key to use the AI-generated color palette feature.
Can I export the edited variables?+
Yes, the extension provides an export function that outputs the changed CSS variables for you to add to your codebase.
Is the extension compatible with Tailwind projects?+
It supports storing colors in channels as recommended by Tailwind docs and works with Tailwind-based UI kits like daisyUI and shadcn/ui.
Does the tool check accessibility automatically?+
It calculates WCAG contrast scores for each variable and highlights AAA compliance, allowing you to adjust values as needed.
Summarized by DevHunt from cssvariables.com · Sep 28, 2026. Details may change; check the official site.
