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无障碍颜色对比度检查器

免费在线 WCAG 颜色对比度检查工具。计算对比度比率，验证 AA/AAA 合规性，预览文本可读性，并模拟色盲效果以实现无障碍设计。

Large Heading Text
Large Text (18px+ bold)
Normal body text — The quick brown fox jumps over the lazy dog. Check if this is readable against the background color.
Contrast Ratio
14.63:1
WCAG AA
Normal text (≥4.5:1)
Large text (≥3:1)
WCAG AAA
Normal text (≥7:1)
Large text (≥4.5:1)
Color Blindness Simulation
Protanopia (red-blind)
Sample text preview
Ratio: 15.36:1AA Pass
Deuteranopia (green-blind)
Sample text preview
Ratio: 15.69:1AA Pass
Tritanopia (blue-blind)
Sample text preview
Ratio: 13.31:1AA Pass

AI developer workflow fit

Use 无障碍颜色对比度检查器 while building with AI coding assistants, agents, and LLM workflows: validate generated output, transform payloads, debug integrations, and prepare reliable inputs without leaving your browser.

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What is 无障碍颜色对比度检查器?

无障碍颜色对比度检查器 helps developers convert, inspect, validate, or generate color, contrast, accessibility, a11y, wcag, aa directly in the browser. It is designed for everyday coding, debugging, API integration, documentation, QA, and AI-assisted development workflows where concrete input/output examples and privacy-first local processing matter.

How to use 无障碍颜色对比度检查器

  1. Paste, upload, or enter the color, contrast, accessibility, a11y, wcag, aa input required by the tool.
  2. Adjust any options such as format, mode, output style, size, or validation behavior.
  3. Review the generated result, parsed details, warnings, or converted output in the preview area.
  4. Copy or download the result for tests, documentation, API debugging, game assets, or AI coding prompts.

Common 无障碍颜色对比度检查器 use cases

  • Developer debugging — Use 无障碍颜色对比度检查器 to quickly inspect generated output, API payloads, configuration values, or encoded data while building and debugging software.
  • AI-assisted coding workflows — Validate or transform examples produced by AI coding assistants before pasting them into source code, tests, documentation, or issue comments.
  • Privacy-first browser processing — Run common color, contrast, accessibility, a11y, wcag, aa tasks locally in the browser without sending sensitive development data to a backend service.

FAQ

What problem does 无障碍颜色对比度检查器 solve?
免费在线 WCAG 颜色对比度检查工具。计算对比度比率，验证 AA/AAA 合规性，预览文本可读性，并模拟色盲效果以实现无障碍设计。
Can I use 无障碍颜色对比度检查器 with AI-generated output?
Yes. It is useful for checking, cleaning, converting, or validating examples produced by AI coding assistants before you rely on them in real projects.
Does this tool upload my data?
The tool is designed to run in the browser whenever possible. Tools that require a backend or AI service are labeled separately.