abstract background of geometric triangles in shades of pink, blue, and gray. the triangles are arranged in a repeating

triangles gray order symmetry minimal abstract art background color decoration design geometric illustration shape wallpaper artistic backdrop banner colorful decorative digital element graphic light modern mosaic pixel pixelated shiny silver style celebration disco effect glamour glitter grid night party retro sequin shimmer sparkle technology tile vintage pattern pink spectrum texture bright colors green grunge multicolor orange rainbow seamless vector yellow arrow artwork black block blue brochure business concept creative decor futuristic hitech new triangle web vibrant ai generated