.NET version

9.0.0-rc.1.24418.2 + build private dll from winforms repo main branch

Did it work in .NET Framework?

No

Did it work in any of the earlier releases of .NET Core or .NET 5+?

This is a new feature Dark Mode: #11857

Issue description

The text color of the helpProvider is barely visible in Dark Mode.

Dark Mode

Classic Mode

Steps to reproduce

1. Create a .NET Core WinForms project
2. Add button and helpProvider to the form
3. Set button's properties as below

• HelpString on helpProvider : testing 123
• ShowHelp on helpProvider : True

4. Build and run the project
5. Click the button and press F1 key