This mid to dark grey is perfect for a bedroom and you can add the panelling from any DIY store if you don't have the original. This is Scree by Little Greene who have a whole range of grey paints. See the blog for the full range
Depending on the direction your room faces, you'll need to choose your shade of grey paint carefully. Facing north and you'll need something warm based, facing south and you can get away with a cooler grey. Isn't this the perfect calming home interior?