set of grainy gradient backgrounds with abstract vawes in bright colors

abstract app backdrop background banner blue blur branding design bright brochure business card color colorful cover flyer gradation gradient mesh grained grainy texture graphic grunge modern multicolored multicolor notebook pastel pink poster rainbow retro set smooth soft summer template textured trendy vibrant wallpaper web website backgrounds vawes colors for covers wallpapers social media more circle purple line text font orange organ petal violet brand yellow magenta azure diagram presentation pattern illustration