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    CSS Variables

    Export colors as CSS custom properties. Use CSS Variables free online with no signup, fast results and secure browser-based processing.

    --primary
    --secondary
    --accent
    --background
    --foreground
    :root {
  --primary: #6366f1;
  --secondary: #ec4899;
  --accent: #f59e0b;
  --background: #ffffff;
  --foreground: #1f2937;
}

    CSS Variables helps you work with colors directly in your browser.

    The tool is built for designers, developers and creators who need fast, reliable results.

    Supported formats

    CSS
    HEX
    RGB
    HSL

    How it works

    1

    Step 1

    Open CSS Variables

    2

    Step 2

    Enter or import your colors

    3

    Step 3

    Copy, export or reuse the result

    Common mistakes to avoid

    • Forgetting to check contrast can hurt readability.
    • Using too many colors can make a palette harder to apply.

    Pro tips

    • Keep your main colors as CSS variables.
    • Test your palette in both light and dark mode before publishing.

    Privacy guaranteed: everything is processed locally in your browser.

    Processing happens locally in your browser whenever possible. No account is required.

    CSS Variables for your color projects

    Export colors as CSS custom properties.

    CSS Variables without precision loss

    Conversions and calculations run on exact values (HEX, RGB, HSL, OKLCH). No visual approximation: you get the color true to your design intent.

    CSS Variables free online

    No signup, no software download required. CSS Variables is 100% free and works in any browser. The free plan includes 10 uses per day.

    CSS Variables fast and secure

    Processing happens directly in your browser for maximum speed. No data is sent to our servers: your colors and files stay private on your device.

    CSS Variables for sharing and collaboration

    Export your results as HEX, RGB, HSL, CSS, JSON or copy them in one click. Perfect for sharing a color guide with your team or documenting a design system.

    Discover all our Color tools

    Extract, convert, generate palettes, gradients and WCAG contrasts in a few clicks.

    See all tools

    Related tools

    SCSS Variables
    Tailwind Palette
    shadcn/ui Theme
    Export Palette

    Guides and tutorials

    Learn how to use our tools with our detailed guides.

    css-variables: practical developer guide

    Localized guide to use css-variables, understand developer best practices and avoid common mistakes.

    css-variables: practical developer guide

    Localized guide to use css-variables, understand developer best practices and avoid common mistakes.

    css-variables: practical developer guide

    Localized guide to use css-variables, understand developer best practices and avoid common mistakes.

    Frequently asked questions

    Yes, the tool is available online for free.

    Processing happens in your browser whenever possible to protect your data.