purple-blue-cyan-green gradient background, for social media, banner, poster, website, website , digital screen

1980-1989 80s 90s abstract art backdrop background backgrounds banner blue blur bright colorful colourful concept contemporary design effect fashion futuristic gradient grain grainy graphic grunge light modern multi colored pastel pink poster purple rainbow smooth social media soft style template texture textured trend vector vibrant wallpaper green cyan light soft color purple blue cyan green