https://bugs.kde.org/show_bug.cgi?id=501059
Bug ID: 501059
Summary: HDR makes white on black text hard to read (Local
Dimming)
Classification: Plasma
Product: kwin
Version: 6.3.2
Platform: Arch Linux
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: colour-management
Assignee: kwin-bugs-n...@kde.org
Reporter: murrayt...@gmail.com
Target Milestone: ---
Created attachment 179113
--> https://bugs.kde.org/attachment.cgi?id=179113&action=edit
Video of text dimming effect
SUMMARY
When HDR is enabled my monitor's local dimming kicks in and makes white on
black text hard to read (such as in konsole).
Local Dimming on my monitor has 3 settings: Off, Auto, Low, High. Only Off
looks normal.
The text dimming effect is mainly an issue if the background is #000, even
slightly above true black reduces the dimming effect greatly.
I'm not sure what can be done to solve this issue, but it took me awhile to
realize what was causing it.
STEPS TO REPRODUCE
1. Set konsole background to #000
2. Enable monitor local dimming
3. Enable HDR
4. Text is dim and harder to read. Bringing a white window near it brings up
the level of the text.
OBSERVED RESULT
Text is dim unless there is a bright item in the local dimming zone.
EXPECTED RESULT
Text remains easily readable.
SOFTWARE/OS VERSIONS
Linux/KDE Plasma:
KDE Plasma Version: 6.3.2
KDE Frameworks Version: 6.11.0
Qt Version: 6.8.2
ADDITIONAL INFORMATION
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