Is it retro or something else?

Working on a new design today, I think I am feeling a little on the retro side. The first flag is my original design and from there I used some other color combinations. Which color do you like best?
My vote is for the original but the others are pretty good too.

Original retro burst of all kinds of colors 

Blue and greens 

Just the burst with salmon pink and red maroon 

Soft tones in ecru and peach

Bold black red and ecru