Outside the navigation sidebar there are many icons that are invisible in the Forced Colors mode:
admin/people/roles) and horizontal/vertical drag icons (admin/structure/types/manage/blog/form-display) are invisible.admin/appearance/settings/gin the images for the navigation and the layout density are simply uniform oversized checkbox circles instead of displaying the actual images.admin/config/content/formats/manage/content_format?destination=/admin/config/content/formats<code> the icons in the "available buttons" and "active toolbar" component are completely invisible.</li>
<img src="/files/issues/2025-02-13/fcm_toolbar_config.jpg" alt="toolbar config fieldset in forced colors mode on a text formats edit page and all the toolbar icons are invisible" />
<li>On <code>admin/appearancethe icons for the actions on the theme cards are invisible.
admin/modules if a field set for a module is expanded the icons for help, permission, and configure are not visible.admin/structure/types/manage/page/fields/add-field when you select a field type or field group, the icon disappears.admin/reports/status there are no icons visible.
*There might be more images and icons that are not displayed, this is only an initial set of confirmed occasions
Discussed and iterated on the issue with @mgifford, @the_g_bomb, @katannshaw, and @drupa11y
Problem/Motivation sectionActive
4.0
User interface
It affects the ability of people with disabilities or special needs (such as blindness or color-blindness) to use Drupal.
For the SVG files in this list, it may be that https://www.smashingmagazine.com/2020/03/accessible-svgs-inclusiveness-b... is a useful guide.
Thanks for catching these @rkoller - high contrast issues are often overlooked.