blue squared background

abstract art artistic backdrop background beautiful beauty black blue blur bokeh bright color colored colors colour coloured colours contour contrast cool dark decor design detail effect element event feast flakes flash focus foreground fresh gleam glitter grunge halftone halftones high illumination illustration jade light medium monochrome mood mosaic olive optomistic paint paper pastel pattern phosphorescent pink playing point red retro round saturated shade shape sharp soft space spectrum squared squares structure switch technique texture tiles tint tones transition