Bug 511035

Summary: Transparent menus look ugly washed-gray with the new blur of Plasma 6.5
Product: [Plasma] kwin Reporter: Maximilian Böhm <mabo>
Component: effects-variousAssignee: KWin default assignee <kwin-bugs-null>
Status: RESOLVED DUPLICATE    
Severity: minor CC: mabo, nate, notmart, xaver.hugl
Priority: NOR Keywords: regression
Version First Reported In: 6.5.0   
Target Milestone: ---   
Platform: Other   
OS: Linux   
Latest Commit: Version Fixed/Implemented In:
Sentry Crash Report:
Attachments: Gray blur on menu transparency
Kwin blur settings
Old lighter menu blur on Plasma 6.4

Description Maximilian Böhm 2025-10-24 16:55:47 UTC
Created attachment 186097 [details]
Gray blur on menu transparency

Transparent menus look ugly washed-gray with the new blur of Plasma 6.5

After upgrading to Plasma 6.5, context menus and a transparent Konsole profile (blur enabled in Konsole profile settings) look very ugly with a washed-gray background.

STEPS TO REPRODUCE
1. Enable transparency in system settings, ~program styles, Breeze, ~transparency. I’m using the 6th step on the scale.
2. Open context menus of windows, in Dolphin, Gwenview, etc.
3. See the washed-out gray ugliness.

I’m using a Konsole shell profile with transparency @ 42% with blur enabled. After the Plasma 6.5 upgrade, it got impossible to even discern window borders behind it. All blur is blended with gutter gray.

That’s no good design.

Screenshot attached.
Comment 1 Maximilian Böhm 2025-10-24 16:56:21 UTC
Created attachment 186098 [details]
Kwin blur settings
Comment 2 Maximilian Böhm 2025-10-24 18:28:13 UTC
Created attachment 186099 [details]
Old lighter menu blur on Plasma 6.4
Comment 3 Zamundaaa 2025-10-24 22:14:58 UTC

*** This bug has been marked as a duplicate of bug 510818 ***