Windows 10 已于2025年10月14日停止支持。如果您正在使用 Windows 10,参见 这篇文章

Windows 10 reached EOS (end of support) on October 14, 2025. If you are on Windows 10, see this article.

搜索 | 用户支持

防范以用户支持为名的诈骗。我们绝对不会要求您拨打电话或发送短信,及提供任何个人信息。请使用“举报滥用”选项报告涉及违规的行为。

详细了解
Solved 已存档

Stop dark themes from inverting highlighted text colors

ismurfyou2

Default highlighted text is white on a blue background, but dark themes on Youtube, Twitter, etc seem to be inverting that to blue text on a white background in Firefox.

I'm not sure if I missed a setting somewhere, I've tried manually setting background and foreground colors for selected text, but it's still being inverted.

Default highlighted text is white on a blue background, but dark themes on Youtube, Twitter, etc seem to be inverting that to blue text on a white background in Firefox. I'm not sure if I missed a setting somewhere, I've tried manually setting background and foreground colors for selected text, but it's still being inverted.
定位到答案原位置

选择的解决方案

所有回复 (4)

That is the result of a feature to ensure proper contrast. When the calculated contrast isn't enough then text and background colors are swapped. This is likely to happen when you use a dark theme.

  • Bug 255941 - Highlight colour / color does not contrast with document text or background

(please do not comment in bug reports
https://bugzilla.mozilla.org/page.cgi?id=etiquette.html
)

Is there a way to disable that feature?

选择的解决方案

Alright, thanks for the help.

It looks to me like you'd have to do something like modify the value of mSufficientContrast to something low enough to ensure backLuminosityDifference is always greater. But I wouldn't know how to go about that or if its even possible to do so.