black watercolor wet stain swatch with watercolour paint blotch, smudge, brush stroke

abstract acrylic aquarelle artwork backdrop background black blob blotch blurred brush charcoal clipart cloud color dark design dirty drawn dye effect element fume graphic grunge hand illustration image ink inkblot liquid minimalist monochrome monocolor paint paintbrush painting raster rough smoke smudge splash splatter splotch stain texture water watercolor white