There is an important consideration (or warning) to understand before selecting a dark background wallpaper for your home.
Your home literally breathes and moves. When you install wallpaper, it too will move on the walls as temperatures and humidity changes. If the wall is a lighter color than the wallpaper, over time because of this movement, you may see the lighter color start showing at the seams.
This is why we recommend to match the wall color to the background of the paper either at the seam area or paint the entire wall. The other option is to lap the wallpaper with a tipped seam. This option however show seams on the wall.