My favorite painter pants have pockets for knee pads: just slip them out before washing. But I’m a freak. I buy good tools that work and I buy work pants, painters pants with knee pad pockets: this works. They last.
As a painting contractor, I “never give color advice”. That is something that can come back to bite a painter later on! Having said that here are some tips I think you will find useful to pick wall paint colors yourself.