I made a (semi)quick proof for an idea I had…. and I had a really hard time picking what colors to use:
Here are some close-ups of a few selected color combinations:
I’m still not sure what I’m going to do for the actual print but luckily the procrastinating is facilitated by still not having any nice paper in the house 
Definitely the darker blue background… best contrast for the composition. And I prefer the the Y/Br over the G/W fill…
Mark from STL
I think this is your best work yet.