颜色与设计
Black Text Contrast
Ratio of any colour on black.
Contrast ratio
1.69:1
Fails 4.5:1 — pick stronger colours.
分享或嵌入此工具
有博客？粘贴链接引用此工具，或将实时计算器嵌入您的页面。
Link / badge (recommended — this counts as a backlink)
<a href="https://dailywebsites.com/tools/black-contrast">Black Text Contrast — free online tool</a> by <a href="https://dailywebsites.com">Daily Websites</a>
Interactive embed (live tool on your page)
<iframe src="https://dailywebsites.com/tools/black-contrast" title="Black Text Contrast" width="100%" height="640" style="border:1px solid #e5e7eb;border-radius:12px" loading="lazy"></iframe> <p><a href="https://dailywebsites.com/tools/black-contrast">Black Text Contrast</a> by <a href="https://dailywebsites.com">Daily Websites</a></p>