set of three banners with gradient green and dark blue backgrounds, applicable for website banner, web template, sign, ads

abstract ads advertisement advertising applicable azure backdrop background backgrounds banner banners blank blue bright brochure business button campaign card color colorful corporate cover dark design digital dynamic elegant element flyer future futuristic gradient graphic green greenish header indigo landing media minimal modern motion name navy page pastel poster posts presentation set sign simple social template three trendy turquoise unique vector verdant video wallpaper web website