Dark Mode and Dark Themes have white text on a white background in the address bar
It seems since Firefox 100 the address bar has taken to being white-on-white, making it nearly impossible to read. There isn't any issues with light themes. It doesn't matter if I change the Windows 10 default app mode to light or dark. Light themes have black text on white background, but dark themes have white text on white background. Any ideas?
Chosen solution
You didn't share a screenshot like the other thread linked above, so this might not be relevant, but...
That can be caused by older versions of the MaterialFox theme for userChrome.css and may require a manual tweak. https://www.reddit.com/r/firefox/comments/ujrbyg/ff_100_white_address_bar_on_default_theme/
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You can create your own Theme with the Firefox Color Plugin.
The plugin seems unable to affect the colour of the search bar or search bar text.
The same question is unanswered at https://support.mozilla.org/en-US/questions/1376134
You could try changing this preference in about:config to Dark (0), light (1), system (2) or browser (3). layout.css.prefers-color-scheme.content-override
If that doesn't work, try creating the following preference as a number and make it 1 for dark mode (0 for light). ui.systemUsesDarkTheme
https://support.mozilla.org/en-US/kb/about-config-editor-firefox
Chosen Solution
You didn't share a screenshot like the other thread linked above, so this might not be relevant, but...
That can be caused by older versions of the MaterialFox theme for userChrome.css and may require a manual tweak. https://www.reddit.com/r/firefox/comments/ujrbyg/ff_100_white_address_bar_on_default_theme/
jscher2000 - Support Volunteer said
You didn't share a screenshot like the other thread linked above, so this might not be relevant, but... That can be caused by older versions of the MaterialFox theme for userChrome.css and may require a manual tweak. https://www.reddit.com/r/firefox/comments/ujrbyg/ff_100_white_address_bar_on_default_theme/
That worked! I deleted the chrome folder and user.js, restarted firefox and everything works like normal now. Thank you!