spring sumemr blurred soft pastel color palette smooth gradient flow texture

abstract art backdrop background banner beautiful blend blur blurred blurry color colorful cover defocused design easter effect fade flow fluid flyer fog glow gradient graphic holographic illustration liquid mesh minimal mist modern multicolor nature palette party pastel pink poster presentation screen shape shine shiny sky slide smooth soft spring square sumemr summer swirl template texture trendy turquoise vector vibrant wallpaper wave web white yellow