Nano Banana Pro

Fine-Art Cinematic Monochrome Studio Portrait Prompt (reference Match)

A highly detailed JSON prompt for generating a fine-art cinematic monochrome studio portrait of a mature confident man, with strict requirements for precisely matching an uploaded reference image's identity, facial structure, beard, and hai

Prompt text

Original English text. Replace placeholders with your own details.

{
 "master_prompt": {
 "scene_type": "fine-art cinematic monochrome studio portrait",

 "reference_requirement": {
 "identity_match": "precisely match the uploaded reference image",
 "facial_structure_accuracy": [
 "bone structure",
 "eye shape",
 "nose proportions",
 "jawline definition",
 "facial symmetry",
 "hairline",
 "beard density if present"
 ],
 "skin_texture": "authentic natural skin texture with visible pores and fine lines",
 "no_artificial_smoothing": true
 },

 "subject": {
 "type": "mature confident man",
 "expression": {
 "mood": "serious, contemplative, quietly authoritative",
 "gaze": "deep-set eyes looking directly into the camera",
 "emotion": "focused and introspective, not aggressive"
 }
 },

 "facial_hair": {
 "adaptive": true,
 "rules": [
 "replicate beard exactly if present",
 "match density, length, shape, and edges",
 "preserve natural tonal variation including salt-and-pepper if visible",
 "beard lines clean and structured"
 ],
 "clean_shaven_rule": "if clean-shaven, emphasize natural jawline definition and skin texture"
 },

 "hairstyle": {
 "adaptive": true,
 "requirement": "match hairstyle from reference image exactly",
 "details": [
 "same volume",
 "same direction",
 "same hairline",
 "natural strand texture",
 "subtle specular highlights from overhead lighting"
 ]
 },

 "pose": {
 "style": "classic thinker pose",
 "description": [
 "one hand raised to chin",
 "thumb along the jawline",
 "index finger slightly curled",
 "knuckles and tendons subtly defined",
 "hand in sharp focus with natural skin texture"
 ]
 },

 "lighting": {
 "style": "low-key fine-art studio lighting",
 "contrast": "high contrast but refined tonal control",

 "key_light": {
 "position": "slightly above eye level",
 "direction": "toward viewer's left angled downward",
 "type": "large softbox or diffused beauty dish",
 "effect": "strong top-plane highlights with crisp edge definition"
 },

 "highlight_focus": [
 "forehead center",
 "nose bridge",
 "upper cheekbones",
 "beard texture",
 "top planes of the hand"
 ],

 "shadow_control": [
 "subtle shadow shaping under brow ridge",
 "defined cheekbone shadow",
 "deep but detailed shadow side",
 "midtone detail preserved"
 ],

 "fill_light": {
 "position": "minimal fill from front-center",
 "purpose": "maintain facial symmetry while preserving depth"
 },

 "rim_light": {
 "intensity": "very subtle",
 "location": "hair edges and outer shoulder",
 "purpose": "separate subject from black"
 }
 }
 }
}

Source & attribution

Johnn · 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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