With the retro theme, I am looking for more play with geometrical shapes and multiple retro colors. I like this clean red, black and white option. For retro multi-color I am imagining something with all or some of the following colors: rusty orange, mustard yellow, light blue-green gray, dark blue-green gray, dark maroon or brown, and beige. It is late, so understand if you have tapped your creativity for the day. There are still new designs and versions rolling in tonight, so the top 5 may still shift as I re-rank. Thank you so much for bringing your strong artistic talents to my contest!