Are you adding trim molding? I like color on the ceiling, esp if it's vaulted. So I would paint manchester tan on all but the accent wall and continue it up around the angled part of the ceiling on all sides. Then paint the accent wall the greenbrier beige and paint the flat part of the ceiling the same color. It would look great if you have molding to break up the areas painted in the simply white to offset the areas. That may be too much for you so you can just paint the simply white on the flat and angled portions of the ceiling and then paint the walls manchester tan with the greenbriar beige accent. I'd suggest going to houzz.com and searching on tray ceilings so you can get some ideas of how they are treated with paint.

Yes, absolutely. Ceiling does look higher. The whole space feels more open, cleaner, and airy. It's a pleasure to be there, after 25+ years of being kind of a utilitarian space. So there's hope for all of those boring spaces in our homes, y'all!

It is your taste that directs the decision on the painting the beams. But i see no other lighting in your room but the ceiling fan lights. Your really need more lighting, whether table lamps or floor lamps.You will be amazed at the improvement more lighting will bring to your room. Will you be adding rugs,pillows or artwork to the room? These additions will also improve your room greatly. And please no mirrors!

I always use bright white for ceilings due to this color helping to add light into a room. I then opt to get my ceiling "color" from the light fixture, which gives me what I believe is more freedom to choose what I like, rather than what's "recommended."