# Detailed JSON-based Image Generation Prompt for Gemini Nano Banana Pro

- Model: [Nano Banana Pro](/models/nano-banana-2-1.md)
- Creator: [Library Portraits (@library.portraits)](/@library.portraits.md)
- Label: AI-generated
- Use cases: Nano Banana Pro
- AI keywords: portrait, photo, warm, social post
- Copies: 0
- Saves: 0
- Published: 2026-10-31
- Cover image: https://cdn.promptclay.com/media/v/01M69J6FRBBKH0F31QDKY72G53/w1200.webp
- Page: https://promptclay.com/prompts/detailed-json-based-image-generation-prompt-for-gemini-nano-banana-pro-e3e9vv

## Prompt

```text
{
    "pipeline_sequence_v5": {
      "global_settings": {
        "project_name": "EVENING_FESTIVAL_PORTRAIT",
        "render_target": {
          "width": 1080,
          "height": 1920,
          "ratio": "9:16"
        },
        "seed_strategy": "Fixed",
        "steps": 50
      },

      "node_01_subject_initialization": {
        "module": "Identity_Preservation",
        "parameters": {
          "source_input": "Attached_Image_Buffer",
          "face_restore_strength": 1.0,
          "feature_lock": {
            "eyes": "Strict",
            "nose": "Strict",
            "mouth": "Strict",
            "skin_texture": "Blend_with_Prompt"
          }
        },
        "morphology": {
          "hair": {
            "style": "{hair_style}",
            "color": "{hair_color}",
            "physics": "Natural_Soft"
          },
          "makeup": {
            "lips": "{lip_color}",
            "finish": "Dewy",
            "intensity": "Natural_Glow"
          }
        }
      },

      "node_02_kinematics_control": {
        "module": "ControlNet_OpenPose",
        "pose_skeleton": {
          "body_orientation": "Standing",
          "spine_curve": "Slight_Lean_Back",
          "right_arm": {
            "state": "Relaxed_Down"
          },
          "left_arm": {
            "state": "Relaxed_Down"
          },
          "head_vector": {
            "pitch": 0,
            "yaw": 10,
            "target": "Lens_Direct"
          }
        }
      },

      "node_03_wardrobe_assembly": {
        "module": "Layered_Clothing_Generator",
        "layers": [
          {
            "layer_id": 1,
            "item": "{clothing_item}",
            "pattern": "{clothing_pattern}",
            "color_palette": "{color_palette}",
            "fit": "Fitted"
          },
          {
            "layer_id": 2,
            "item": "Accessories",
            "elements": [
              { "type": "Necklace", "style": "Layered_Gold_Choker" },
              { "type": "Earrings", "style": "Small_Drop" }
            ]
          }
        ]
      },

      "node_04_environment_stage": {
        "module": "Scene_Builder",
        "setting_type": "{setting_type}",
        "assets": {
          "lighting_decor": "Hanging_Warm_String_Lights",
          "background_elements": "Plants_Shops_People",
          "ground_material": "Soft_Dirt"
        },
        "atmosphere": {
          "mood": "Warm_Festive_Evening",
          "clutter_density": "Medium_Lively"
        }
      },

      "node_05_lighting_engine": {
        "module": "Illumination",
        "setup": {
          "primary_source": "Warm_Festoon_Lights",
          "fill_light": "Ambient_Night_Soft",
          "color_grading_lut": "Warm_Glow",
          "shadow_quality": "Soft"
        }
      }
    }
  }
```

## Variables

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

| Variable | Label | Example |
|---|---|---|
| `{hair_style}` | hair style | Long_Wavy |
| `{hair_color}` | hair color | Brown |
| `{lip_color}` | lip color | Soft_Natural_Pink |
| `{clothing_item}` | clothing item | Sleeveless Crop Top |
| `{clothing_pattern}` | clothing pattern | Floral_Oriental |
| `{color_palette}` | color palette | Navy_Orange_Green |
| `{setting_type}` | setting type | Outdoor_Night_Market |

## About

This is a highly structured, JSON-formatted prompt designed for the Gemini Nano Banana Pro image generation tool. It specifies a complete pipeline sequence for creating an 'Evening Festival Portrait' image, including detailed settings for subject identity preservation (using an attached image buffer

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

## Credit and licence

Prompt by @library.portraits on Promptclay, https://promptclay.com/prompts/detailed-json-based-image-generation-prompt-for-gemini-nano-banana-pro-e3e9vv
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)
- [Gemini AI Photo Prompts](/gemini-ai-photo-prompts.md): Copy-paste photo prompts for Gemini: portrait restyles, trending looks, scene edits and more (https://promptclay.com/gemini-ai-photo-prompts)
- [JSON Prompts](/json-prompts.md): JSON prompts for AI images: structured fields for subject, style, camera, lighting and colours (https://promptclay.com/json-prompts)
- [Nano Banana Prompts](/nano-banana-prompts.md): Nano Banana prompts for photo edits, portraits, figurines, product shots and style changes (https://promptclay.com/nano-banana-prompts)

## Related searches

- [Warm prompts](/search.md?q=warm) (https://promptclay.com/search?q=warm)
- [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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