old wall texture smeared engine oil cement dark black gray background abstract grey color .

darkness black monochrome white light photograph text font wall screenshot line shadow night symmetry lighting iron art background panorama texture dark gradient grunge abstract grimy cement concrete grungy distressed chalkboard rock stone rough gothic rustic paint structure asphalt color vintage grey broken design floor gray blackboard paper street space surface shine stucco road modern web graphic solid old block backdrop wallpaper artistic smeared engine oil dirt frame