abstract irregular polygon background - triangle low poly pattern pastel full spectrum multi color rainbow

abstract acute art background banner blank color colored colorful colour crystal cubism design diamond empty fraction fractional fragment full geometric geometrical geometry gradient grid illustration irregular light low lowpoly mesh modern mosaic multi multicolor multicolored network origami pastel pattern poly polygon polygonal rainbow rectangle shape sharp spectrum structure tessellated tessellating tessellation trend trendy triangle triangular varicolored variegated vector wallpaper white