art brush can color colorful colors colour colours drawing drip graphic illustration isolated paint running runs series simple variations various abstract CGI experimental fantasy grunge grungy hue hues painting paints shade shades tone tones appearance background coloration colored coloured colourful contours creased creases dark details distinctive light patterns perspectives shape style surface surfaces terrain texture textured textures thick thin tipped tips visual wallpaper angles coloring colouring jigsaw mixed multicolored multicoloured patterned pieces plastic puzzle puzzles puzzling random shaped shapes surfacing