blurred soft vibrant pink purple tuquoise color palette smooth gradient flow texture

abstract backdrop background backgrounds banner beautiful black blend blue blur blurred blurry box brochure color colorful cool cover dark defocused design effect electro energy fade flow fluid flyer geometric glow gradient graphic holographic layout light line mesh minimal modern palette pattern pink poster presentation purple report screen shape slide smooth soft square template texture trendy tuquoise ultra vector vibrant violet vivid wallpaper web