CSS Variables Generator
Turn your palette into CSS custom properties with one click.
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What is CSS Variables Generator?
Build a :root custom-property block for your palette. Configure a prefix, include alpha channel variants, and optionally add a dark-mode override block.
Frequently asked questions
+What prefix should I use?
Common choices: --color-, --brand-, or your design-system prefix (e.g. --ds-color-).
+Does it include dark mode?
Optionally — toggle 'include dark mode' and the tool outputs a [data-theme='dark'] block with inverted lightness.
+Can I use the variables with Tailwind?
Yes — reference them via Tailwind's arbitrary value syntax or as color tokens in tailwind.config.