ComputedStyleSection.css has hardcoded colors `hsl(0, 0%, 50%)` and `hsl(0, 0%, 50%)`, which in the light mode match exactly --text-color-tertiary and --text-color-secondary respectively.
Created attachment 365636 [details] Patch
Created attachment 365638 [details] [Image] Dark mode with patch applied
Created attachment 365640 [details] [Image] Before the patch
Light mode before/after? Since the --text-color-tertiary doesn't change between light/dark mode.
(In reply to Joseph Pecoraro from comment #4) > Light mode before/after? Since the --text-color-tertiary doesn't change > between light/dark mode. Light mode before and after are exactly the same because the hardcoded colors matched the variables!
Comment on attachment 365636 [details] Patch Clearing flags on attachment: 365636 Committed r243352: <https://trac.webkit.org/changeset/243352>
All reviewed patches have been landed. Closing bug.
<rdar://problem/49134295>