Low-Key Saturn Projection Portrait

{
  "generation_request": {
    "meta_data": {
      "task_type": "low_key_projection_mapping_portrait",
      "language": "en",
      "priority": "highest",
      "version": "v1.0_SATURN_PROJECTOR_RAINBOW_LOWKEY"
    },
    "output": {
      "aspect_ratio": "4:5",
      "resolution": "high",
      "num_images": 4
    },
    "scene": {
      "concept": "a moody low-key portrait using projection mapping as the primary light source",
      "environment": "pure black seamless background, no visible room details, no props",
      "composition": "3/4 portrait, subject slightly low in frame with negative space above, Saturn positioned behind head like a luminous halo"
    },
    "subject": {
      "person": "adult woman",
      "wardrobe": {
        "top": "dark minimal top, non-reflective fabric to keep focus on projection"
      },
      "hair_makeup": {
        "hair": "long hair down, natural texture",
        "makeup": "minimal, realistic, preserve pores and skin texture"
      },
      "pose": "head slightly tilted, one hand near ear, relaxed shoulders",
      "expression": "calm, dreamy, subtle smile"
    },
    "projection": {
      "content": "glowing {argument name="planetary body" default="Saturn"} with rings",
      "placement": "Saturn centered behind head, ring arc extending to the side",
      "light_behavior": "rainbow refraction bands across face/arm, soft falloff into shadows",
      "notes": "keep projection edges believable; avoid flat sticker look"
    },
    "camera": {
      "shot": "projection-mapped portrait",
      "lens_mm": 50,
      "aperture": 2.0,
      "focus": "sharp on eyes and lips; gentle falloff on hair",
      "quality_tags": "photoreal, cinematic, subtle film grain"
    },
    "lighting": {
      "style": "projector as key light + very subtle fill",
      "notes": "deep blacks, high contrast, no visible background spill, preserve natural skin texture and catchlights"
    },
    "color_grade": {
      "palette": "deep blacks, saturated cyan/magenta/green rainbow bands, cool planetary blues",
      "contrast": "high with controlled highlights",
      "effects": "subtle grain, slight halation on brightest projection areas"
    },
    "negative_prompt": "text, logo, watermark, bright background, HDR, plastic skin, over-smoothed face, cartoon, anime, CGI look, banding artifacts, crushed noisy shadows, extra fingers, deformed hands, distorted face"
  }
}

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