More progress on this! Squeezing in one more post before the month is out.
I realized like, right at the end, that both my monitor AND my art program's color profiles were all messed up, so had been using all the wrong colors the whole time. So guess who had to re-tool all of the colors right at the end, haha.
I am super super happy with this design. So far out of my usual fare, a great challenge. And I'm nearly done! Just a few finishing touches on the art, then I get to add text this week.