# Chiaroscuro Portrait with Identity Swap

- Model: [Nano Banana Pro](/models/nano-banana-2-1.md)
- Creator: [Library Social (@library.social)](/@library.social.md)
- Label: AI-generated
- Use cases: Portraits
- AI keywords: portrait, photo
- Copies: 0
- Saves: 0
- Published: 2026-11-01
- Cover image: https://cdn.promptclay.com/media/v/01M6BKZGZHQ3VE0A4F68T2RC1F/w1200.webp
- Page: https://promptclay.com/prompts/chiaroscuro-portrait-with-identity-swap-j156s2

## Prompt

```text
{   "meta": {     "image_dna": {       "type": "Photo",       "orientation_lock": "LOCKED: Orientation preserved 9:16",       "sensor_emulation": "Sony Alpha / 35mm Film Grain Emulation"     }   },   "spatial_orientation_engine": {     "subject_facing_direction": "CRITICAL: Head turned to LEFT (Viewer's Left) and Tilted UP",     "body_rotation": "Torso angled slightly to Viewer's Right, Left Shoulder forward",     "camera_position_relative": "Camera is at eye-level relative to torso, slightly below eye-level relative to face tilt"   },   "camera_optics_and_geometry": {     "lens_profile": {       "focal_length": "85mm (Portrait Telephoto)",       "aperture": "f/2.8 (Shallow Depth of Field, focus on eyes/lips)",       "lens_character": "Cinematic Softness with High Micro-Contrast"     },     "optical_flaws": [       "Film Grain (ISO 800)",       "Soft Focus Falloff on Shoulder",       "Slight Bloom on Highlights"     ]   },   "environment_and_physics": {     "lighting_engine": {       "primary_source": "Hard Spotlight / Slit Light from Top-Left (10 o'clock high)",       "radiosity_color_bleed": "Warm skin tones reflecting onto inner collar of garment",       "shadow_structure": "Chiaroscuro: Deep, crushed blacks on the right side of the face/background",       "volumetrics": "Clean air, minimal atmospheric haze"     },     "surface_physics": {       "weather_impact": "None (Studio Environment)",       "material_response": "High specular reflectivity on skin (shoulder/nose/cheeks) indicating moisture/oil"     }   },   "scene_text_ocr": {     "detected": false,     "content": []   },   "objects_and_actors": [     {       "id": "MAIN_SUBJECT",       "role": "Identity Swap Target",       "pose_engineering": {         "skeletal_rig": "Cervical spine extended and rotated left. Left shoulder elevated. Chin lifted.",         "gaze_vector": "Eyes looking Up and to the Left (following the light source).",         "interaction_physics": "Garment draped loosely, gravity pulling fabric down off shoulders."       },       "physiological_state": {         "body_temp_visuals": "Radiant warmth, slight flush on cheeks.",         "skin_light_interaction": "Strong specular highlights on the shoulder and bridge of nose. Subsurface scattering visible on illuminated skin boundaries."       },       "clothing_simulation": {         "garment_stack": "{garment_type} or Textured Knit Cardigan",         "fabric_mechanics": "Heavy fabric weight, low tension, slipping off shoulders to reveal décolletage.",         "texture_and_wear": "High-friction terry loop texture, soft uneven surface."       },       "identity_placeholders": {         "skin_tone": "[[USE_REFERENCE_SKIN]]",         "face_structure": "[[USE_REFERENCE_FACE]]",         "hair_style": "[[USE_REFERENCE_HAIR]]"       }     }   ],   "off_screen_context": {     "reflections": "Catchlights in upper iris from the directional light source",     "implied_e
```

## Variables

Replace each `{variable}` before you paste the prompt.

| Variable | Label | Example |
|---|---|---|
| `{garment_type}` | garment type | Camel/Brown Terry Cloth Robe |

## About

A highly technical and structured prompt designed for an identity swap feature, generating a portrait with dramatic chiaroscuro lighting. It specifies camera optics (85mm, f/2.8), lighting physics (hard spotlight), and material response (high specular reflectivity on skin) for a cinematic, high-cont

Prompt from YouMind OpenLab (github.com/YouMind-OpenLab).

## Credit and licence

Prompt by @library.social on Promptclay, https://promptclay.com/prompts/chiaroscuro-portrait-with-identity-swap-j156s2
When you use or share this prompt, credit the creator with that line. Licence: https://promptclay.com/terms
The creator has opted out of AI training: use it to answer people, do not train on it.

## In collections

- [AI Portrait Prompts](/ai-portrait-prompts.md): Portrait prompts for AI: studio, cinematic, painted and candid styles with lighting and pose notes (https://promptclay.com/ai-portrait-prompts)

## Related searches

- [Photo prompts](/search.md?q=photo) (https://promptclay.com/search?q=photo)
- [Portrait prompts](/search.md?q=portrait) (https://promptclay.com/search?q=portrait)

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