I've found a bug in #LibreOffice 25.2: Writer - Changing the Application Background colour in Appearance causes the menu bar to change to very dark grey, with unreadable black text, and the ruler background changes to a darker colour of what you select. - Debian 12.9 GNOME @libreoffice
@wisteela Hi! Please report all issues to our QA community at https://bugs.documentfoundation.org/ – Thank you