Reducing transparency for Mac OS and application menu items

To prevent the Mac OS menu items such as the dock and finder and application menus from displaying undesirable color casts, it is recommended to reduce transparency.

1. Select Apple > System Preferences (macOS 11 and 12) or System Settings (macOS 13 and 14).
2. Click Accessibility.
3. Under Vision, select Display.
4. Select the box beside Reduce Transparency.
5. Close the Accessibility window.