Is there a way to set a bar's marker color?

"[email protected] [power-pro]" <[email protected]> 15 Jul 2019 23:27:24 +0000

Newsgroups	gmane.comp.windows.power-pro
Message-ID	<[email protected]>

I have a bar at fixed top center that is set to hide. The marker is clearly visible over application windows that are black or dark. However, it is difficult to see over light colored apps. Is there a way to change the Marker's color?

 

 Thank you.