dot perforation texture. dots halftone seamless pattern. fade shade background. noise gradation border. black screentone diffuse b

abstract backdrop background black border brush circle circular colorless design diffuse digital dot dots dotty dtp effect element faded gradation gradient graphic grayscale grid grunge half halfton halftone illustration linear minimal modern monochromatic monochrome monocrome net ombre opacity optical overlap overlapping overlay overlays paper patern paterns pattern patternes patterns point points poka polka polkadot prepress press print rectangle round screentone set shade shape simple stipple texture tile tiles tone vector wallpaper white