Created attachment 187455 [details]
Photo of the screen with brightness turned down

SUMMARY

If HDR is enabled, and whilst using either the using the Breath Dark of Breeze Dark plasma styles, turning down screen brightness will cause the panel and portions of the application launcher to become brighter.

STEPS TO REPRODUCE
1. Enable HDR
2. Turn down screen brightness to 0%

OBSERVED RESULT
The panel and background of the application list in the launcher eventually turns completely white.

EXPECTED RESULT
It should stay the same color

SOFTWARE/OS VERSIONS
Windows: no
macOS: no
(available in the Info Center app, or by running `kinfo` in a terminal window)
Operating System: Manjaro Linux 
KDE Plasma Version: 6.5.3
KDE Frameworks Version: 6.20.0
Qt Version: 6.10.1
Kernel Version: 6.12.61-1-MANJARO (64-bit)

ADDITIONAL INFORMATION

This issue seems to be new as it did not occur prior to updating to 6.5.3. This problem only seems to occur with those two themes. I didn't try the other breath/breeze themes but I do have other third-party themes which do not exhibit this behaviour.

Additional hwardware info:

Graphics Platform: Wayland
Processors: 16 × 11th Gen Intel® Core™ i9-11950H @ 2.60GHz
Memory: 32 GiB of RAM (31.1 GiB usable)
Graphics Processor 1: Mesa Intel® UHD Graphics
Graphics Processor 2: NVIDIA RTX A3000 Laptop GPU/PCIe/SSE2
Manufacturer: HP
Product Name: HP ZBook Fury 17.3 inch G8 Mobile Workstation PC
System Version: SBKPF