Green success icon is poorly visible in the light Unity theme

Steps to reproduce:

1. Create a new Unity project
2. Select the light Unity theme in the "General" Preferences window
3. Go to Window -> Multiplayer -> Multiplayer Center
4. Verify that the mentioned window becomes visible
5. Select "Adventure" in the "Genre of your Game" dropdown
6. Select "2" in the "Number of Players per Session" dropdown
7. Install all recommended packages
8. In the "Multiplayer Center" window, select  the "Connecting Players" item
9. Next, select the "Quickstart" tab
10. Observe the green check icon in the first section below the title "Connecting Players"

Actual results: The icon is poorly visible. A screenshot is added below in the "Attachments" section.

Expected results: The icon should be more visible.

Reproducible with versions: 1.0.0 (600.0.46f1, 6000.1.0f1, 6000.2.0a9)

Not reproducible with versions: 2022.3.61f1, as the "Multiplayer Center" window is not available

Can’t test with versions: -

Tested on (OS): M1 Max - Sequoia 15.3.2