Color
Laboratory
Extract professional color palettes, contrast ratios, and design harmonies directly from your images. 100% private.
Palette Workspace
WASM 128-bit SIMD Acceleration
Drop Image to Analyze
JPEG, PNG, WebP, AVIF supported
Who is it for?
Professional tools for every creative workflow.
How to Extract Colors
Simply upload your image to our studio. Our local engine analyzes every pixel to cluster them into a meaningful palette.
You can then adjust the sampling density to find more subtle accents or stick to dominant themes.
Neural Precision
Our engine uses a proprietary clustering algorithm that balances performance and accuracy.
Color Formats
We support all major industry standard formats.
Accessibility First
We automatically calculate WCAG 2.1 contrast ratios to ensure your designs are inclusive and readable.
Web Content Accessibility Guidelines
Dynamic Gradients
Convert your extracted palette into CSS linear and radial gradients with one click.
background: linear-gradient(135deg, #2563EB, #7C3AED);
Tailwind Engine
Developer Experience
Perfectly formatted color objects for your tailwind.config.js.
- Config ready
- Theme extending
- Variable mapping
// tailwind.config.js
colors: {
primary: "#2563EB",
secondary: "#7C3AED"
}
Why Color Lab?
The most private color tool on the web.
| Feature | SafeTools | Online Tools |
|---|---|---|
| Privacy | 100% Local | Cloud Upload |
| Accessibility | Built-in WCAG | None |
| Speed | Instant | Latency |
Web Design
UI/UX Color Themes
Branding
Brand Identity Palettes
Development
Tailwind Configuration
Print Media
CMYK Print Ready
Photography
Mood Boards
Illustration
Artistic Harmonies
Frequently Asked Questions
Everything you need to know about this tool and how it protects your privacy.
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