Color Palette Extractor & Contrast Checker (WCAG)
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🎨 UI Color Studio
Color Palette Extractor & Contrast Checker
Drop any image to extract harmonious color schemes, verify WCAG 2.1 text readability, and export ready-to-use CSS root variables.
Click to Upload Image or Drag & Drop
Supports PNG, JPG, WebP, SVG, Screenshots (100% Client-Side)
Why Accessible Color Contrast Matters for UX & SEO
Good visual design goes beyond aesthetics—it requires adherence to accessibility standards. The Web Content Accessibility Guidelines (WCAG 2.1) outline specific contrast ratios between foreground text and background colors to ensure content remains readable for individuals with visual impairments or color blindness.
Key Contrast Thresholds:
- WCAG Level AA (Minimum): Requires a contrast ratio of at least 4.5:1 for normal text and 3.0:1 for large text (18pt+ or bold 14pt+).
- WCAG Level AAA (Enhanced): Requires a contrast ratio of at least 7.0:1 for normal body text and 4.5:1 for large headings.
- CSS Variables Integration: Using semantic custom properties like
--color-primaryand--color-accentensures clean, maintainable theme styles.
Frequently Asked Questions
How does this tool process images without a backend? ▼
Your uploaded image is drawn to an invisible HTML5
<canvas> element in memory. JavaScript samples the RGB values across thousands of pixel coordinates and clusters them mathematically to identify the top dominant colors.Can I copy individual HEX and RGB codes? ▼
Yes. Simply click on any color swatch card in the extracted palette to copy its exact HEX color code directly to your clipboard.
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