Photorealistic Portrait Prompt for Gemini Nano Banana Pro

A highly detailed, structured JSON prompt designed for the Gemini Nano Banana Pro model, specifying the visual parameters for generating a photorealistic, intimate portrait of a young woman leaning in a doorway. The prompt meticulously defines the subject's appearance, environment, lighting, camera settings, and color grading to achieve a cinematic, moody atmosphere.

提示词

{
  "subject": "A young fair-skinned woman leaning in a doorway",
  "description": {
    "woman": {
      "age": "{argument name="age" default="early twenties"}",
      "skin": "fair complexion with natural texture and soft highlights",
      "pose": "leaning against the doorframe with left hand, right hand resting on her head",
      "hands": "ring visible on left hand, natural finger positioning",
      "outfit": {
        "top": "{argument name="top color and fabric" default="long-sleeved pale green fabric top with visible weave and soft folds"}",
        "skirt": "patterned reddish skirt with detailed textile texture"
      },
      "hair": "long wavy blonde hair cascading over shoulders, individual strands visible",
      "expression": "calm, contemplative, slightly upward gaze",
      "emotion": "intimate, introspective"
    }
  },
  "environment": {
    "setting": "interior space near an open doorway",
    "background": "mostly dark, softly blurred interior",
    "elements": "out-of-focus lamp glow and faint window view suggesting exterior beyond",
    "contrast": "bright foreground against shadowed background"
  },
  "lighting": {
    "type": "warm, low-light interior illumination",
    "source": "soft directional light from the doorway and nearby lamp",
    "effects": "gentle highlights on face and doorframe, smooth shadow falloff",
    "mood": "intimate, cinematic, slightly mysterious"
  },
  "camera": {
    "angle": "slightly low angle",
    "framing": "subject positioned on the left side of the frame",
    "lens": "cinematic portrait lens",
    "depth_of_field": "shallow depth of field with background blur",
    "focus": "sharp facial focus with soft environmental bokeh"
  },
  "color_and_mood": {
    "palette": "warm amber highlights, muted greens, soft reds, deep shadows",
    "grading": "cinematic color grading",
    "atmosphere": "moody, intimate, emotionally subtle",
    "film_grain": "very subtle natural grain"
  },
  "quality": {
    "style": "photorealistic",
    "resolution": "ultra-high resolution",
    "detail_level": "HDR, sharp textures, realistic skin pores, fabric fibers, high pixel fidelity"
  }
}