random circles pattern. halftone pattern, halftone gradient with

abstract asymmetric asymmetry background black chaos chaotic circle circles comic dots dotted eccentric effect fade flecks free geometric gradation gradient grayscale greyscale half halftone hatch illustration irregular kaos kaotic linear monochrome monocrome pattern pointillism pointillist prepress press print random raster royalty screen screentone speckled spots stipple texture tone vector white with