Design Question
I need some help, y'all. Color theory type of help.

I've painted two walls (not my walls) two different colors.

First color: Sort of bright almost hazard orange.
Second color: bright cornflower (?, sorry, I don't have a crayola box handy) blue.

The question: What color should I paint the remaining walls? I was reading Martha Stewart last night and they suggested super light warm barely there sort of blue to go with any primary colors instead of a standard neutral.

What would you do? Repainting one of the remaining walls is not an option.

Many thanks in advance for your suggestions.

Happy day, y'all.