Nano Banana Pro

Detailed JSON Prompt for Mirror Selfie Image Generation

A highly structured JSON prompt for Gemini Nano Banana Pro, designed to generate an ultra-realistic image of a young woman taking a mirror selfie while squatting. It includes extensive details on face preservation, pose, attire (emerald gre

Prompt text

Original English text. Replace placeholders with your own details.

{
 "image_prompt": {
 "face_preservation": {
 "use_reference_face": true,
 "accuracy": "match face exactly from reference image",
 "preserve_details": [
 "face shape",
 "eyebrows and eye structure",
 "natural makeup style",
 "lip shape and color",
 "hairline and hairstyle"
 ]
 },
 "subject": {
 "gender": "female",
 "description": "young woman taking a mirror selfie while squatting gracefully indoors",
 "pose": {
 "body_position": "squatting low with one knee forward, leaning slightly toward mirror",
 "head": "tilted slightly downward while looking at phone screen",
 "hands": [
 "right hand holding phone in front of face",
 "left hand resting on knee"
 ],
 "expression": "soft, calm expression"
 },
 "hair": {
 "style": "long dark brown hair in a half-up ponytail with a small clip",
 "texture": "smooth and straight"
 },
 "attire": {
 "dress": {
 "type": "emerald green silk maxi dress with spaghetti straps",
 "pattern": "plain with subtle drape",
 "details": "side slit exposing leg, low back design"
 },
 "shoes": "green velvet heels",
 "accessories": [
 "emerald pendant",
 "silk scarf",
 "rings on fingers"
 ]
 }
 },
 "environment": {
 "setting": "indoor room with soft lighting",
 "background": "luxury hotel suite with chandelier",
 "floor": "smooth, reflective surface",
 "lighting": {
 "type": "soft warm indoor light",
 "effect": "even illumination on face and dress"
 }
 },
 "props": {
 "phone": {
 "type": "smartphone",
 "case": "glitter silver phone case",
 "position": "held vertically towards the mirror"
 }
 },
 "style": {
 "photography": "mirror selfie, social media aesthetic",
 "color_grade": "soft warm tones",
 "sharpness": "medium-high clarity",
 "mood": "feminine, elegant, gentle"
 },
 "composition": {
 "framing": "full body squatting pose, centered",
 "angle": "eye-level mirror perspective",
 "focus": "sharp focus on face and outfit",
 "aspect_ratio": "4:5"
 },
 "output": {
 "resolution": "8K high quality",
 "negative_prompt": [
 "incorrect face",
 "wrong hairstyle",
 "extra limbs",
 "different dress pattern",
 "distorted proportions",
 "text or watermark"
 ]
 }
 }
}

Source & attribution

Sienna · Awesome Nano Banana Pro Prompts

Source-listed license: CC-BY-4.0. Prompt text is preserved; titles and previews may be shortened for display. Source examples are not NexGateHub test results.

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