Pastels are basically a staple for French decor along with patterns and wood accented furniture. Rather than covering your walls with a toile or rose laden wallpaper, consider painting them pastel blue instead. Suddenly all the blues in the room will feel tied together and more styled than you ever thought it could be.
A really good idea, for example, is to use red for an energetic punch, as this color will make the room more entertaining without necessarily turning into an overwhelming living experiment. The modern TV unit design for living room is also important, but colors are always coming first in line.