abstract appearance background blended bright color colored colorful colors colour coloured colourful colours decorative design details edges geometric geometrical interconnected interlaced interlinked intertwined interwoven intricate light lines mat multicolored multicoloured patterned patterns perspectives rows shape shaped shapes style surface surfaced surfaces texture textured textures thick thin vibrant wallpaper contrast contrasting corrugated corrugations dark decoration linear lined pattern vertical wall blue checkered checks christmas horizontal red green purple