Color Contrast Checker
WCAG 2.2 color contrast validator with design system integration. Test accessibility compliance, generate OKLCH palettes, export CSS custom properties and Figma-compatible JSON tokens. Build with Astro.
Overview
The Color Contrast Checker is an invaluable tool designed for developers who prioritize accessibility in their web applications. Built with the latest standards, this color contrast checker ensures compliance with WCAG 2.2 guidelines, making it easier to achieve an inclusive design that caters to all users. Whether you're testing specific color combinations or creating color palettes, this tool is robust and user-friendly, offering an effective solution for enhancing color accessibility.
What sets this checker apart is its ability to accommodate various color formats, including hex, RGB, and HSL. With instant feedback on compliance levels, you can confidently evaluate your designs for both normal and large text. Additionally, the integration with modern design frameworks such as Figma makes it a worthwhile asset for any design system.
Features
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WCAG 2.2 Compliance Testing: Real-time validation against AA (4.5:1) and AAA (7:1) standards to ensure your colors meet accessibility requirements.
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Triple Category Analysis: Evaluate color contrast for small text, large text, and UI components to cover various aspects of accessibility.
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Universal Color Support: Easily test color combinations using hex, named colors, RGB, HSL, and other CSS formats for versatility in design choices.
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Share Color Combinations: Generate shareable URLs that facilitate team collaboration and feedback on color choices.
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Persistent Storage: Automatically save color combinations using localStorage for quick access and reference in future sessions.
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CSV Custom Properties: Export ready-to-use CSS variables in the OKLCH color space, streamlining the integration into your design system.
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Figma Integration: Create Tokens Studio-compatible JSON, adhering to W3C standards to boost design workflow.
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Educational Value: Offers a comprehensive learning tool for both accessibility standards and advanced web development concepts.
- Astro
Astro is the all-in-one web framework designed for speed. Pull your content from anywhere and deploy everywhere, all powered by your favorite UI components and libraries.
- Figma
Figma is a cloud-based design tool for creating user interfaces, prototypes, and collaboration in real time.
- SCSS
SCSS is a preprocessor scripting language that extends the capabilities of CSS by adding features such as variables, nesting, and mixins. It allows developers to write more efficient and maintainable CSS code, and helps to streamline the development process by reducing repetition and increasing reusability.
- Tailwind
Tailwind CSS is a utility-first CSS framework that provides pre-defined classes for building responsive and customizable user interfaces.
- Eslint
ESLint is a linter for JavaScript that analyzes code to detect and report on potential problems and errors, as well as enforce consistent code style and best practices, helping developers to write cleaner, more maintainable code.
- Typescript
TypeScript is a superset of JavaScript, providing optional static typing, classes, interfaces, and other features that help developers write more maintainable and scalable code. TypeScript's static typing system can catch errors at compile-time, making it easier to build and maintain large applications.