Color Contrast Checker
Free online color contrast checker, no installation required. Verify WCAG accessibility compliance
About Color Contrast Checker
颜色对比度检查工具. This professional tool delivers WCAG合规检查, 对比度计算, 可访问性测试 functionality with accurate results directly in your browser.
How to Use
1. Access the Color Contrast Checker interface 2. Configure your options or input your data 3. Process and review the results instantly 4. Export or save your output as needed
Key Features
• WCAG合规检查 • 对比度计算 • 可访问性测试
Use Cases
1. 网站可访问性 2. 设计验证 3. 合规检查
▶Is this tool free to use?
Yes, this tool is completely free with no limitations or hidden fees.
▶Do I need to install anything?
No installation required. The tool runs entirely in your web browser.
▶Is my data private and secure?
Yes. All processing happens locally in your browser. Your data is never sent to any server.
▶Can I use this on mobile devices?
Yes, the tool is fully responsive and works on all devices including mobile phones and tablets.
▶What formats are supported for export?
The tool supports multiple export formats including common file types suitable for further processing.
▶How accurate are the results?
The tool uses industry-standard algorithms to ensure accurate and reliable results.
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