I'm happy to report that the chartreuse is indeed chartreuse and not mustard, though it's somewhat on the subdued side. I dropped the best colors into my digital sketches and here's what I came up with.
Chartreuse--my original idea, and still promising, if a bit subdued:

Purple. Too monochromatic, I think--I look like a pregnant grape.

Lime. This one intrigues me--green and purple are such a great combo. But THIS green?

Turquoise.

Fuschia--like chartreuse, I firmly believe fuschia goes with almost ANYTHING.

I don't have much time to mull it over, as a few of these colors are running low in stock (not the chartreuse, though). I'll give it a day and make an executive decision. Your thoughts? And remember--I like bright colors! By the way, Masheka strongly prefers lime or purple--he doesn't think this shade of chartreuse is eye-popping enough for me. He might be right.
As for progress on the patterns themselves, my hopes for getting a few of them muslined this Monday (I had a day off) were dashed when I ran into the hard cold realities of maternity alteration sewing. I can't just start cutting patterns willy-nilly if I want to be able to use them later, so I spent Monday tracing the patterns and ironing like, 6 yards of muslin (why I washed it is beyond me--it's not like I'm going to wash the muslins, so all the tiny little wrinkles I had to get out were just pointless pain). I'm still working on my FBAs and belly adjustments before even getting to the muslin stage. I have only three sewing weekends left for this contest so I had better get cracking!
I'll be doing a detailed post on this (tentatively titled "Sewing at a Moving Target: Maternity Modification Strategies") sometime soonish.