abstract modern art background style with blurred stripes of blue green yellow and purple

abstract angled artsy backdrop background banner beige blue bluen blurred blurry classy color colorful contemporary cool dark design diagonal different elegant geometric gold green header illustration large layout light lines material modern motion multicolor pattern pretty purple rippled shapes sharp slanted soft streaks striped stripes style teal template texture transparent trendy triangles triangular unique unusual urban violet waves wavy website white with yellow