Private windows icon different color

This is a simple idea, hopefully it’s something doable.
I know the Lion head of the Brave logo probably uses the brand colors. But I think it would be nice if while having 2 Brave tabs on the apps bar (Or whatever they called on each operating system)
It would be nice to have the private window one have the Lion head on a different color, like maybe the violet/purple that Brave uses to identify private instances.
Nothing, just a suggestion, would be nice to have an option to enable something like that.