Google Imagen V4 Ultra on the Gemini app

image_prompt.json

{
  "meta": {
    "styleName": "Candid Balcony Sunlight",
    "aspectRatio": "3:4",
    "promptPrefix": "IMG_2025.JPG"
  },
  "camera": {
    "model": "35mm film camera (e.g., Canon AE-1, Olympus OM-1)",
    "focalLength": "standard prime lens (e.g., 50mm)",
    "angle": "slightly low-angle shot, looking up at the subject",
    "type": "candid portrait photography"
  },
  "subject": {
    "primary": "a young East Asian woman",
    "emotion": "a soft, natural, and slightly introspective expression",
    "pose": "standing casually on a balcony, body angled with one hip pushed out, head tilted slightly",
    "gaze": "looking towards the camera"
  },
  "character": {
    "appearance": "long, dark, messy and voluminous hair, natural 'no-makeup' look",
    "wardrobe": "an oversized, plain white t-shirt and simple light-colored underwear or bikini bottoms",
    "accessories": "none"
  },
  "composition": {
    "theory": "natural framing using the balcony railing, rule of thirds, candid moment capture",
    "visualHierarchy": "The subject is the primary focus, with the urban background providing environmental context."
  },
  "setting": {
    "environment": "an apartment balcony on a sunny day",
    "architecture": "generic city apartment buildings and power lines visible in the hazy background",
    "furniture": "simple balcony railing in the foreground"
  },
  "lighting": {
    "source": "direct, natural afternoon sunlight",
    "direction": "high side lighting",
    "quality": "harsh and high-contrast, creating bright, almost blown-out highlights on the skin and clothing, with deep, defined shadows. The overall light has a warm, golden quality."
  },
  "style": {
    "artDirection": "lo-fi, vintage, slice-of-life, reminiscent of Japanese or Korean indie film aesthetics",
    "mood": "nostalgic, intimate, lazy, dreamy, and sun-drenched"
  },
  "rendering": {
    "engine": "emulation of vintage 35mm color film",
    "fidelitySpec": "visible film grain, soft focus (not digitally sharp), and halation or bloom in the highlights",
    "postProcessing": "color grading to mimic a vintage film stock, featuring slightly washed-out colors, a warm yellow or greenish cast, and cool tones in the shadows"
  },
  "colorPlate": {
    "primaryColors": [
      {"name": "Bright White (shirt)", "hex": "#F5F5F5", "percentage": "30%"},
      {"name": "Warm Skin Tones", "hex": "#E0BBAA", "percentage": "25%"},
      {"name": "Sky Blue", "hex": "#87CEEB", "percentage": "20%"}
    ],
    "accentColors": [
      {"name": "Dark Brown/Black (hair)", "hex": "#3D2B1F", "percentage": "15%"},
      {"name": "Shadow Blue/Gray", "hex": "#778899", "percentage": "10%"}
    ]
  }
}