bright color gradient with foil effect. rainbow background. dopamine dressing style bg. neon colors texture. colored metal backdro

abstract backdrop backdrops background backgrounds blue bright color colors colour colourful cool design dopamine dressing effect foil gradation gradient green hipster illustration image iridescent metal metallic multi multicolor neon ombre orange paper patern paternes paterns pattern patternes patterns pink presentation print purple rainbow rectangle rectangular red speckle texture yellow