Add icon or color to top bar according to site

[cstudios-slovakia]

We are doing a fair bit of multi language websites, but sometimes the user gets frustrated on which language is being modified. It would be nice to be able to set an icon and a slight background color to the top bar according the edited language or site. something like this:

The user will know in a quick glance which version is being edited. The icon and the color set can be the same as the entry type creation.
Thanks

[brandonkelly]

Thanks for the suggestion! It was previously requested by #14664.

[cstudios-slovakia]

yeah, but addig a pinch of color would be good because it will help the content managers to have the information on glance.