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

monochrome black darkness drawing white sketch text symmetry light photograph art iron wall line painting wood 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