A common suggestion is to paint the backs of your bookshelves. This creates a “pop of color” or simply adds interest. Some people have upped that by adding wallpaper or attaching fabric to the backs of their shelves.
via Eddie Ross
All of these are good suggestions, yet I think wrapping paper may be a better solution. It’s cheaper, readily available and comes in all sorts of colors and patterns. I found three rolls at Target that were half off and all the rolls shown below are less than $3.00. Here are my TJMaxx and Target suggestions:
Red trellis… do it.
TJMaxx had the best options, including this teal leopard print.
Colorful Vera Bradley paisley