pink-blue-cyan gradient background, abstract background, for social media, banner, business card, website, digital screens

abstract art backdrop background beautiful blur blurred blurry bright color colorful concept decoration defocused design effect glow gradient illuminated light old pattern shine shiny smooth soft space vivid wallpaper pink blue cyan pink dark blue 1980-1989 80s 90s backgrounds colourful contemporary fashion futuristic grain grainy graphic modern multi colored pastel poster social media style