[Accessibility][High Contrast] ToolStrip grip icon colour contrast is less than 4.5:1 in Normal Mode and HC Desert mode

[LeafShi1]

Minimal Reproduction Scenario

1. Create a WinForms Project.
2. Add a toolStrip to the project.
3. Test the text grip icon in toolStrip by using Accessibility Insight tools.

Current Behavior

The colour contrast is less than 4.5:1 in Normal Mode and HC Desert Mode

Normal mode

HC Aquatic

HC Desert

HC Dusk

HC Night Sky

Expected Behavior

The colour contrast is more than 4.5:1 in Normal Mode and all HC Mode

Test Environment

Microsoft Visual Studio Enterprise 2022 (64-bit) - main
Version 17.13.0 Preview 3.0 [35604.161.main]

Have you experienced this same issue with .NET Framework designer?

Yes

Have you experienced this same issue with previous previews of VisualStudio?

Yes, reproduce on VS 17.12

More Info

• This issue also reproduces on MenuStrip
• This issue also reproduces in runtime Dark Mode
  

[LeafShi1]

The original issue #6208

[Tanya-Solyanik]

@Epica3055 - if this issue is easily fixable by replacing the colors, please go ahead with the fix, if not, we'll wait for a customer report.