I'm looking for a vintage prom dress, and I'm running out of time because I'm always scared with my hair color.

So what color dress won't clash and what will clash

This site has some interesting info... Clothing Tips for Women With Red Hair | typeF.com

It's you to decide, what makes you feel good. But I would say a light peach will bring beautiful effect with hair.

white, I think or black x but just wear what you feel comfortable in x