grain stippled gradient. faded stochastic dotwork texture. random grunge noise background. black dots, speckles or

dot work gradient fade noise texture random particle backdrop background black dirty dissolve distress dust effect element faded frame glitter gradation grain grainy granules graphic gravel gritty grunge halftone messy mezzotint old overlay pattern pixel point pointillism print rough sand speck speckle speckles spot sprinkle stipple stippling stochastic vector wallpaper