Diagram update: fwiw, by now it is possible to make extensive color modifications by just changing one color setting for Simple UI and/or for Advanced UI. This may be useful to know.
To briefly illustrate, for example when intending to hightlight Simple UI and to dim Advanced UI, you could change the basic Simple UI color (any-draw) from black to red and the basic Advanced UI color (advanced-draw) from any-draw (which was black and now is red) to lightgray.
This would make this diagram:
look like this:

