Color of active drop-down arrow to the field name in the header row

[Margo]

The color of the active filter drop-down arrow is a deep blue which is difficult to identify from the inactive black ones. How do I change the color of the drop-down arrow?

 

[Dave Peterson]

I've never seen a way.

The color of the active filter drop-down arrow is a deep blue which is difficult to identify from the inactive black ones. How do I change the color of the drop-down arrow?