Respectively their highlights?
I doesn’t appear to do anything when I’m changing their values.
GH.ColorChange.gh (21.1 KB)
Anyone?
It should change the ZUI elements, maybe it wasn’t implemented even though the field is made.
It seems we’ve broken Rhino today, can’t start my internal installation…
If I had to guess, it’s the colours of the (+) and (-) icons on ZUI-aware components like Addition. Zoom in enough to see them.
Oh, now I get the abbreviation, thanks David.
But did they in fact change color? They didn’t for me.
Oh, now I get the abbreviation
Zoomable User Interface 
Nope, they didn’t.
But the topic is named “What are the zui_fill, zui_edge for?” I got the answer 
,
Now it’s upto @DavidRutten to deal with them not working. 