Steps to reproduce:
1. Create new Unity project
2. Make sure Editor theme is set to Light
3. Make sure VFX Graph package is installed
4. Make sure VFX Graph Learning templates sample is installed
5. Open “Create new VFX Asset” window (Assets > Create > Visual Effects > Visual Effect Graph)
6. Observe VFX icons below “Learning Templates”section
 

Actual results: VFX icons are blend in and are too difficult to see in Learning Templates section when Editor theme is set to Light

Expected results: VFX icons should be visible in Learning Templates section in Light Editor theme

Reproducible with versions: 6000.4.0a3
Can’t test with versions: 6000.3.0b7 and lower (window has different design)

Tested on (OS): Windows 11