irregular polygon background - triangle low poly pattern - blue gree teal turquoise and salmon pink orange color

acute art background banner blank blue color colored colour crystal cubism design diamond empty fraction fractional fragment geometric geometrical geometry gradient gree grid illustration irregular low lowpoly mesh modern mosaic network orange origami pattern pink poly polygon polygonal rectangle salmon shape sharp structure sunset teal tessellated tessellating tessellation trend trendy triangle triangular turquoise vector wallpaper