A structured JSON prompt for generating a medium-shot studio portrait of two women (one brunette, one blonde) with playful, winking expressions and tongues sticking out. The prompt specifies their apparel (royal blue and crimson red bodycon dresses), accessories, and a clean studio backdrop with softbox lighting.
{
"image_metadata": {
"model_name": "Gemini Nano Banana Pro",
"version": "v3.0 (Thinking Engine)",
"generation_date": "2026-01-16",
"aspect_ratio": "1:1",
"resolution": "1024x1024 pixels"
},
"visual_composition": {
"subjects": [
{
"identity": "{argument name="first subject identity" default="Ana deArmas and SydneySweeney, brunette"}",
"features": {
"hair": "Long, wavy dark brown hair styled over one shoulder",
"expression": "Playful, winking left eye, tongue sticking out",
"makeup": "Dewy skin, soft pink blush, neutral lip gloss"
},
"apparel": {
"dress": "Off-the-shoulder, long-sleeved bodycon dress",
"color": "{argument name="first dress color" default="Royal Blue"}",
"jewelry": "Layered silver star necklaces, long dangling silver earrings"
}
},
{
"identity": "Young woman, blonde",
"features": {
"hair": "Long, straight blonde hair tucked behind ears",
"expression": "Sassy, winking right eye, tongue sticking out",
"skin_detail": "Visible light freckles on cheeks and shoulders"
},
"apparel": {
"dress": "Off-the-shoulder, long-sleeved bodycon dress",
"color": "Crimson Red",
"jewelry": "Layered gold heart necklaces, gold drop-chain earrings"
}
}
],
"environment": {
"background": "Solid light gray/off-white studio backdrop",
"lighting": "Softbox studio lighting, even distribution with minimal harsh shadows",
"shot_type": "Medium shot, waist-up, centered composition"
},
"technical_elements": {
"watermark": "Gemini Nano Banana Pro (bottom right)",
"depth_of_field": "Sharp focus on subjects, slight fall-off on background",
"texture_mapping": "High-fidelity skin pores, fabric weave, and metallic sheen"
}
}
}

