abstract art background blue canvas collage color colour design fill graphic grey grunge illustration image paper parchment pastel purple scrapbooking space stained texture vector vintage pink violet bauhinia close up colours conservation creation drops ecology glint glitter leaf light magic nature prism rain rainbow rainforest shine sparkle spring water bright carnival cheerful concentric concept element layers paint round swirl vivid vortex waves white yellow backdrop New orange original red render smear style unique wash watercolour pattern squares green old teal rough torn black circles decorative foil Fractal metallic optical illusion retro tile