Many people cite blue as their favorite color and brown has become more popular recently. In fact, brown is the new black, according to decorators on Cottage Home Decorating. If you love these colors, but don’t think they would mix, think again. Brown and blue are classic colors that work well together in many decorating styles, from cottage to Renaissance. Brown brings a feeling of home and security to a room, whereas blue adds a touch of royal refinement. Here are some ideas.