Steps to reproduce:

1. Create a new Unity project
2. Editor Theme should be set to "Light" (Unity > Settings > General > Editor Theme > Light)
3. Select the "UniversalRenderPipelineGlobalSettings" asset displayed in the "Project" window
4. Go to the "Inspector" window and click "Open Project Settings > Graphics..." button
5. Click "+", which is displayed under in the "Keyword Declaration Overrides" section, which is in the "Graphics" window
6. Observe the result

Actual results: The error message "Keyword declaration override cannot be empty" is poorly visible

Expected results: The error message "Keyword declaration override cannot be empty" should be adjusted to the "Light " Editor theme. It should be bright and visible.

Reproducible with versions: 6000.3.5f1,  6000.4.0b4, 6000.5.0a5

Tested on (OS): macOS - Tahoe 26.2