Add option to color X Y Z

Often when typing in values for scale, rotation or location. on a bone for example, you need to glance over in the viewport to make sure which direction your bone is pointing.

if you are using the move tool you'll have 3 colored arrows pointing in the XYZ direction. having the option for X Y Z in the menus colored the same as well i believe could help speed up work like this a bunch.

This should of course be option. Maybe just another option in the themes section of blender