무지개 배경
GPT 이미지 2· 이미지
A vibrant rainbow gradient background with soft pastel rainbow stripes flowing diagonally, dreamy clouds at the edges, gentle and uplifting atmosphere., Modern flat editorial illustration, implied soft directional light, no heavy shadows, contemporary, sophisticated, clean mood, limited 3-4 color palette with one accent, muted tones, rule of thirds, deliberate negative space, No text, no watermark.