A bathroom paint in a lighter color will cost around $40 per gallon. I believe they are well worth the investment. Popular bathroom paints are Zinsser's Perma-White Mold & Mildew Interior Paint ...

Zinsser Satin Perma-White Mold- and Mildew-Proof Interior Paint. Even if your paint is suitable for a humid space, there are some things you shouldn't use it on in your bathroom. Bathroom flooring ...