Minimap color when hilited?

[hexaae]

How can I change minimap color when the mouse is over the minimap and hilited?
Can't find it in the color scheme list...

https://i.ibb.co/Wvmfkzf/image.png (pale grey background)

[main Alexey]

Background color of minimap active area is dimmed by N % from original BackGnd color. there is no option for it.

[hexaae]

Mmmh, dimming % manual adjustment feature request!