Open Bug 1625954 Opened 4 years ago Updated 2 years ago

Dark theme styling overrides High Contrast mode

Categories

(Firefox :: Theme, defect, P5)

Desktop
Windows 10
defect

Tracking

()

People

(Reporter: bugzilla, Unassigned)

References

(Blocks 1 open bug)

Details

Attachments

(1 file)

If the Windows 10 dark theme is applied before the user turns on Windows High Contrast mode, the Firefox UI uses our usual dark theme colours.

[STR]

  1. In Windows 10, go to Settings > Colors > More options and select the dark theme
  2. Go to Settings > Ease of Access > Vision > High contrast and enable High Contrast mode.
  3. Open Firefox. Observe the browser UI.

[Expected]: The browser UI is in High Contrast mode.
[Actual]: The browser UI uses the usual dark theme colors.

If you disable High Contrast mode, enable the Windows 10 light theme, re-enable High Contrast mode, and open Firefox, you will observe that the correct high contrast colours are used.

Screenshot attached of Firefox using the dark theme with High Contrast mode enabled.

Priority: -- → P5
Severity: normal → S3
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