Reproduction steps:
1. Open the attached project “TextColor”
2. Open Window → App UI → Open StoryBook, StoryBook window
3. In the StoryBook window select Kit → Main
4. Inspect the “Tab 1” text color
5. Open the Game view and enter Play mode
6. Inspect the “Tab 1” text color
Expected result: In both windows the text color is same
Actual result: The text color in Game view is different from the StoryBook window text
Reproducible with: 2022.2.0a9, 2022.2.2f1, 2023.1.0a25
Not reproducible with: 2021.3.16f1, 2022.1.24f1
Couldn’t test with: 2020.3.44f1 - No built-in UI Toolkit
2022.2.0a8 - Third-party package errors
Reproducible on: macOS 13.1