Color Code Validator — Test CSS Color Code Validity
Check and identify if your color values are valid CSS color formats like HEX, RGB, HSL, HWB, LAB, LCH, OKLCH, and more.
- No validation run yet.
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Validate Modern CSS Color Values
This tool supports validation for traditional color codes (HEX, RGB, HSL) as well as advanced formats like HWB, LCH, and LAB. Helpful for testing modern stylesheets or design system tokens.
Common Color Formats and Their Use Cases
- HEX: Compact and widely used for web design, typically in design systems and visual tools.
- RGB / RGBA: Allows explicit channel-based color control; RGBA includes alpha transparency.
- HSL: Hue/Saturation/Lightness — more intuitive for humans to manipulate compared to RGB.
- HWB: Simpler alternative to HSL, designed to be more intuitive for gradients and shading.
- LAB / OKLAB: Perceptual color models for better color interpolation, increasingly used in design tooling and CSS4 specs.
- LCH / OKLCH: Like LAB but with cylindrical coordinates. Easier to work with for dynamic color systems (e.g., theming and color contrast).
Many of these newer formats (OKLCH, OKLAB) are supported in modern browsers and preferred in contexts where color accessibility and consistency across devices matter.
Why Validate Colors?
- 🎨 Catch typos or invalid formats before deployment
- 📐 Ensure tokenized values are CSS-ready
- 🧪 Test modern CSS color support for legacy or new projects
Pro Tip
Use alongside a live CSS editor to preview your colors in action, once validated!
Frequently Asked Questions (FAQs)
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