colorful background with smooth blurred texture in cool soft blended colors of pink purple yellow gold and blue in vibrant pastel

abstract and art background blended blue blur blurred blurry borders bright center classy cloudy color colorful colors cool dark defocused design effect elegant fancy focus glowing gold gradient graphic illustration layout light luxury media mixed modern out paint pale paper pastel pink pretty purple shiny sky smooth soft spot texture vibrant violet wallpaper web website white yellow