abstract angled angles appearance ball color coloration colored colorful coloring colors colour coloured colourful colouring colours common face familiar glass pink popular recognisable recognizable round rubber-ball shape shaped shapes smile smiley-face smiling surface surfaces surfacing symbol symbolic texture textured textures toy variations variety well-known yellow background blended contoured contours contrast contrasting decorative design details edge edged edges geographic interconnected interlinked interwoven light marble marbling multicolored multicoloured patterns perspectives style thick thin vibrant wallpaper crystal crystals curved curves glassy star-shaped stars symmetrical symmetry white fiery flow flowing hot lava black checks diamonds green linear lined lines mosaic square squared squares