It can be a great deal of fun working with bright colors. One color that seems to always be popular regardless of the season is bright cobalt blue. You can have a lot of fun with this color. During the winter months you can put snowflakes up on your wall. During the fall you can hang some trees and use wall decal to help with matching your room. Yellow decor looks wonderful with bright cobalt blue along with white. The bedroom is one of the most popular places people use this color but you can also use it in the living room and bathroom. Check out these 20 bright cobalt blue rooms and see how you can use it in a variety of ways in your home.