abstract aged button grunge grungy isolated paint ragged rough round rustic series spot variation variations board chipped copy space dirty old plank plywood sign stain stained wood worn background bicolor city colorized colors decay design peeled red scratched urban white bubbles colours mixed rock rocks shape shapes shine shining smooth stone stones sundrocks water wet big color dinosaur green lizard loch ness machete ocean paper scary sea monster serpent waves art artsy backdrop canvas colour hues paints pastel pastels shades tone tones variety hue painting shade