Our structure in the navigation pane is based on the environment (one parent folder per environment like live, stage, dev). We've a color code for the environments (live is danger, therefore red, dev is uncritical, therefore green).
We like to color all tabs also with the environment color, but the color can't be inherit from the parentfolder and therefore has to be set on each host manually. Please include an option to inherit the colors from the parent folder.
I will check to see if we can add an inherited value by default.