irregular polygonal background - triangle low poly pattern - neon full color spectrum round rainbow - pink, magent

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 low lowpoly magent mesh modern mosaic multi multicolor multicolored neon network origami pattern pink poly polygon polygonal rainbow rectangle round shape sharp spectrum structure tessellated tessellating tessellation trend trendy triangle triangular varicolored variegated vector wallpaper