black and white speckle pattern, a dense array of white dots on background creating textured, abstract

monochromatic pointillist background monochrome scattered wallpaper creating textured abstract speckled particle halftone material contrast backdrop freckled stippled speckle pattern minimal textile graphic mottled surface spotted classic vintage digital dappled texture speckly stipple design effect visual grunge simple fabric grainy dotted modern black white dense array stark noise point retro pixel style dots spot art