Stable Diffusion XL Prompt - impressionism, pewter-platinum palette, holographic texture, cathedral architecture, metallic sheen, digital-painting

{
    "camera": "35mm, wide shot, centered, slight upward tilt",
    "color_palette": "pewter, platinum, iridescent lilac, cerulean blue, pale gold",
    "composition": "centered dome motif, generous negative space, symmetrical framing, minimal foreground clutter",
    "lighting": "soft ambient skylight with halo, subtle rim light along dome rim, holographic iridescence catching ambient light",
    "negative_prompt": "low-res, blurry, artifacts, watermark, logo, misshapen anatomy, extra fingers, text",
    "product_constraints": {
        "background": "gradient",
        "bleed_safe_area": "keep key art within 85% center area",
        "print_notes": "300 DPI minimum; strong contrast for dark/fabric printing; scalable; avoid tiny text",
        "product_type": "poster"
    },
    "prompt_core": "A grand cathedral dome rendered as AI-generated architecture, clad in pewter and platinum with a holographic shimmer, impressionist brushwork swirling light across arches under a soft luminous sky, centered for bold poster-ready impact.",
    "render_specs": {
        "aspect_ratio": "4:5",
        "cfg_guidance": "9",
        "model_hint": "SDXL",
        "quality": "ultra",
        "resolution_hint": "4096x4096",
        "seed": "random"
    },
    "style_tags": [
        "impressionism",
        "pewter-platinum palette",
        "holographic texture",
        "cathedral architecture",
        "metallic sheen",
        "digital-painting"
    ],
    "variants": [
        "Twist #1: stronger holographic rainbow shimmer with cooler blues/purples",
        "Twist #2: monochrome platinum with subtle warm glow and painterly texture",
        "Twist #3: sunrise palette\u2014pewter to copper gradient with rose-gold highlights"
    ]
}