Build Green Incorporated There are two colors. It looks like the color on the wall with the drapes is Anonymous and the color on the wall with the nightstand is called Almost Black by Benjamin Moore
Those pretty chevron curtains were actually put together without a sewing machine by Houzz user Casa Greer. Find details on the project at the Casa Greer blog.
I like the gray walls against the yellow/white chevron curtains with the white trim. I want to do this in my home office. I think I want a little more muted gray than this though on the walls.
I love the chevron, that's very popular right now. This is a good example of what things would look like if we did the gray and yellow or blue and yellow motifs.