I can't establish!give a hand? im putting my room down in the underground room of my house...

im putting my room down in the underground room of my house (im 13) and i will have a HUGE room,and my own bathroom, ( huge as well). i want to paint the room green,next to a blue trim, but i can't deside what colors to paint the bathroom.(something with green)
Does anyone know what it costs to build...
Answers:    Why not try a french rinse for the bathroom, using a base of lime green or a green that tones beside your exsisting green in the bedroom and consequently apply a soft lemon wash over the top. This should tie the two room together but maintain them still individual.
What type of light is best for a...
lime green is very pretty.