Ok I've been pondering this for a while and havn't come up with a solution, when you have unitframes with dark colours like
This how can you change the background colour so you can actually see when you lose health? When I use colours that dark it is just dark on dark and completely useless, changing the "Background Colour" in Pitbulls global settings doesn't seem to do anything? I know I've seen ui's (Ryas I think) with dark UF's but with a different background colour.