A classic blue backdrop becomes the showcase for tiny yellow blossoms and light-toned leaves. This floral peel and stick wallpaper is prettily poised between relaxing and refreshing and is as such perfect for bedrooms. It can also be used as a statement wall in living rooms and study areas that need a welcoming touch. The rich color combination of blue and yellow works well with light monochrome furniture, gilded metal accents, and indoor greenery, of course.