What the browser reports
- System setting
- Your choice
- Page scheme
- Changes seen
The system line comes from matchMedia('(prefers-color-scheme: dark)'), with a change listener. Switch your operating system between light and dark while this page is open and watch it update.
A sample in the current scheme
Body text in --text on --raised, with a link in --link.
Muted text in --text-muted.