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颜色对比度检查.
颜色对比度检查 — 无需注册，即可在浏览器中使用免费工具。
使用方法: 颜色对比度检查
输入数据或选择文件，调整设置并生成结果。复制或下载之前，请检查结果。
限制与支持格式
输入内容在您的设备上处理。货币换算仅发送货币代码，以获取带日期的参考汇率。
英语技术说明
HEX colors only. WCAG AA/AAA results refer to text contrast, not overall accessibility.
Calculate WCAG contrast ratios for two opaque sRGB colors. HEX colors only. WCAG AA/AAA results refer to text contrast, not overall accessibility. Inputs stay on your device. Review the preview or output before using it; refresh the page to clear the current working session.
Black against white gives a 21:1 contrast ratio.