The real rainbow New Year poster design is filled with the beauty of nature and a dreamy atmosphere. At the center of the image is a real and beautiful rainbow, vibrant in color, radiating light, spanning across the sky, giving a dreamlike feeling. Surrounding the rainbow, some raindrops and clouds can be depicted to enhance the sense of reality and natural ambiance. The background uses tones of sky blue or light purple, contrasting with the colors of the rainbow, creating a dreamy visual effect. The overall poster design is simple and elegant, with well-matched colors, showcasing the festive atmosphere of the New Year and the longing for a beautiful life, while also conveying the beauty and wonder of nature. --ar 9:16 --v 6.1 --stylize 100