Dittoes! A tone on tone, or what fireworks was saying will surely add some texture that will make the feeling more inviting and less clinical.
Originally Posted by fireworkslover
Using a solid fabric will look flat. You might consider using a fabric with a small print in a lighter value of the color. Example: a sage green print on a forest green or a pink print on a burgandy fabric. Up close it might look odd, but from far away the print blends in and gives some variation and depth to your background fabric.