What colors are good for bedrooms?  

You mainly just want to avoid orange, bright yellow, and red. All of those are energizing colors and will make it harder to sleep. I would say any pastel color is best or just sticking to an off-white. You don't want to do a true white in a bedroom either as the light gets amplified. 

I would say greens and blues tend to be best because they bring a calming effect that we get whilst in nature. I have always had my bedrooms be a soft mint green or sky blue. 

I just always use some sort of light brown/beige color. Nothing fancy. It has to be fairly light and neutral but not too bright. 

Do you prefer a lighter color or darker color? I think you can get away with most colors so long as they are muted or pastel. If you want solid dark colors, stick with blue hues and avoid red ones. 

I guess it depends on what you like. My bedroom where I stay now has wood panels and only one wall is painting, it is painted in a very light grey. 

Just go with whatever color you like but one thing I tend to do is stay neutral cause I like to change my bedding and such in my bedroom too often and don't want to be tied into one color set.

I like soothing colours: pale beige, apricot, peach, pastel

I think sky blue is the best color as it resembles the sky and it is very calming. You want your bedroom to be relaxing and easy to fall asleep in. 

My bedroom is a very soft pink coral color. It is warm, inviting, relaxing, but not too bright. The reason I like softer colors is because they allow the room to be bright without being too bright.