Nano Banana Pro

High-Definition Vintage Flash Portrait

A detailed JSON prompt designed for Nano Banana Pro to transform an input photo into a high-definition, warm-toned vintage portrait. It specifies strict identity lock rules, realistic skin texture preservation, vintage color grading, and a

Prompt text

Original English text. Replace placeholders with your own details.

{
"meta":{
"quality":"High-Definition",
"type":"Evening indoor flash portrait",
"ratio":"4:5 vertical",
"device":"iPhone 16 Pro",
"style_reference":"Transform the INPUT PHOTO into this exact aesthetic.",
"look":"Evening flash, warm-toned vintage, real grain, realistic skin texture (NO smoothing)."
},

"identity_lock":{
"preserve_face": true,
"strict": true,
"rules":[
"The face MUST remain IDENTICAL to the input photo.",
"No changes to facial structure, proportions, expression, or identity.",
"No smoothing, no beautify, no retouch, no AI facial alterations."
]
},

"skin_texture_rules":{
"keep_texture": true,
"no_smoothing": true,
"no_blur": true,
"realistic_details": "natural texture preserved.",
"flash_behavior":"Flash highlights should reveal texture, not hide it."
},

"vintage_effect":{
"warmth":"+18",
"contrast":"+22",
"highlights":"-5",
"shadows":"+12",
"grain":"Medium (film-like)",
"vignette":"Soft",
"color_grade":"Warm beige vintage tint",
"sharpness":"Slightly reduced to mimic old camera softness"
},

"global_context":{
"scene_description":"Indoor hallway with wall decor, mirror reflection, white walls and warm flash lighting.",
"time_of_day":"Evening",
"lighting":"Direct warm flash illuminating the subject with strong falloff into the background.",
"environment_details":[
"Mirror behind the subject with reflection visible.",
"White paneled walls.",
"Marble/stone console table with a floral arrangement.",
"Soft shadows created by harsh flash."
]
},

"composition":{
"camera_angle":"Eye-level, straight-on portrait",
"framing":"Knees-up full portrait",
"pose":"Body leaning slightly forward with one hand on console table and the other arm across the torso.",
"expression":"Confident, pouty, soft glamorous gaze.",
"flash_effect":"Glossy highlights on skin and dress."
},

"subject":{
"makeup":{
"style":"Soft glam.",
"lips":"Pink-brown gloss with warm undertone.",
"eyes":"Eyeliner + lashes.",
"blush":"Warm peach."
},
"skin":"Natural undertone, realistic texture, NOT smoothed.",
"outfit":{
"dress":"White mini halter dress with deep neckline and satin-like shine.",
"fabric_behavior":"Flash creates bright reflections and visible folds."
}
},

"background_objects":[
{
"id":"mirror",
"description":"Large wall mirror reflecting the subject's pose.",
"lighting":"Flash reflection visible but subdued."
},
{
"id":"flowers",
"description":"Vibrant bouquet on the table (yellow, purple, green)."
},
{
"id":"wall",
"description":"White paneled wall with framed signage."
}
],

"rules":{
"identity_constant": true,
"no_face_change": true,
"no_ai_artifacts": true,
"realism":"Ultra realistic evening flash aesthetic with vintage tones."
}
}
Use the uploaded photo as the input image. Generate the image.

Source & attribution

Ezgi Subaşı 👩🏼‍💻 · 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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