Theme CSS from Images
Generate CSS variable themes from images β useful for dynamic theming or auto-generated color schemes.
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JPG, PNG, WebP, GIF no file size limit
Your files never leave your device. All processing happens locally in your browser.
CSS Theming tips
For each new content page with a hero image, extract the palette and use it for that page's accent colors β content-aware theming.
In React/Vue, automate this: when uploading a banner image, extract colors and update the CSS custom properties for that section's theme.
The percentages help choose roles: the most dominant color = background tint, second = accent, smaller % colors = highlights or secondary actions.
For album-art-based theming (like Spotify or Apple Music), extract from cover art to generate the matching player UI palette.
How It Works
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