Yes, the plastics do coordinate with the color scheme. A few of the big pieces are half way between gray and bisque. The others have two versions, one in each color. I have the red exterior with the bisque interior. With the gray exterior, I would recommend the gray interior, just because gray goes well with gray.

Toyota actually has design people with degrees in things like "art" whose jobs are to make sure the color schemes coordinate and appeal to the target customers. I think some of those people might even be gay. The Camry is a relatively conservative platform, and is marketed to adults who have money, so it gets relatively conservative design choices.

The bisque interior does show dirt a little more than the gray, if that is a concern.