Nano Banana Pro
{
"subject": {
"type": "adult woman",
"age_range": "early 20s",
"ethnicity": "Black African",
"face_shape": "oval-round with prominent full cheeks, broad proportions, slightly wider at cheekbone level than jawline",
"hair": {
"note": "style is flexible and can vary",
"color": "natural black"
},
"forehead": {
"size": "medium, slightly broad",
"shape": "gently curved",
"texture": "flawless, poreless, even"
},
"eyebrows": {
"shape": "relatively straight with subtle soft arch toward outer third",
"thickness": "medium-full, groomed but natural looking",
"color": "black",
"spacing": "wide set matching eye spacing"
},
"eyes": {
"shape": "wide set, horizontally elongated almond with slight upward tilt at outer corners",
"color": "very deep dark brown, iris and pupil barely distinguishable",
"size": "medium-large relative to face",
"lids": "smooth with moderate visible lid space, no hooding",
"lashes": "natural dark, moderate length",
"white_of_eye": "clean, bright",
"under_eye": "flawless, zero shadows, zero hollowing, plump youthful",
"expression": "wide open, curious, bright"
},
"nose": {
"bridge": "low to medium height, broad",
"tip": "rounded, soft, full",
"nostrils": "wide, rounded",
"detail": "flawless skin, zero texture"
},
"mouth": {
"upper_lip": "full with defined cupid's bow, two distinct peaks",
"lower_lip": "noticeably fuller than upper, prominent, rounded",
"lip_color": "natural deep mauve-brown with pink undertone, even saturation",
"lip_texture": "smooth, plump, perfectly hydrated, slight natural sheen",
"philtrum": "defined, clean",
"expression": "slightly parted, relaxed, curious"
},
"cheeks": {
"structure": "full and rounded with youthful volume, soft cheekbones",
"detail": "flawless, even, radiant"
},
"chin_and_jaw": {
"chin_shape": "small, rounded, slightly receding relative to lips",
"jawline": "soft, rounded, clean contour"
},
"facial_proportions": {
"eye_spacing": "wide, more than one eye width apart",
"nose_to_face_ratio": "nose is broad relative to face",
"lip_to_face_ratio": "lips are prominent and full relative to face",
"overall_symmetry": "high, near perfect"
},
"skin": {
"tone": "deep rich espresso brown with warm golden-copper undertone",
"finish": "editorial matte-satin, like a magazine cover",
"texture": "poreless, airbrushed-real, zero visible texture at any zoom level",
"luminosity": "controlled radiant glow on forehead, nose bridge, cupid's bow, cheekbone tops",
"blemishes": "absolutely none",
"pigmentation": "perfectly even and uniform across every zone",
"under_eye": "zero discoloration, zero texture",
"wrinkles": "zero",
"lines": "zero including smile lines and expression lines",
"pores": "invisible",
"overall": "flawless glass-skin, actor headshot quality, naturally perfect"
},
"accessories": {
"earrings": "small gold hoop",
"necklace": "thin delicate gold chain"
}
},
"identity_anchors": {
"non_negotiable": [
"eye color very deep dark brown nearly black",
"eye shape wide set elongated almond with upward outer tilt",
"nose broad low bridge rounded full tip wide nostrils",
"lip shape full defined cupid bow prominently fuller lower lip",
"lip color natural deep mauve-brown",
"chin small rounded slightly receding",
"cheek fullness youthful volume",
"skin tone deep espresso brown golden-copper undertone",
"facial proportions wide set broad features high symmetry"
],
"flexible": [
"hairstyle and length",
"accessories",
"clothing"
]
},
"expression": {
"type": "young curious bright attentive",
"energy": "open, warm, hint of wonder",
"gaze": "direct, clear, engaging",
"mouth": "slightly parted, relaxed",
"brow": "neutral to slightly raised, open"
},
"camera": {
"sensor": "full frame medium format",
"lens": "85mm portrait",
"aperture": "f2.0",
"depth_of_field": "shallow, tack sharp on eyes, gentle falloff",
"framing": "head and shoulders, centered, slight low angle"
},
"lighting": {
"style": "professional studio beauty lighting",
"primary": "large soft butterfly key light directly above and slightly in front of face",
"secondary": "white bounce fill from below to eliminate all under-chin and under-nose shadows",
"rim": "subtle warm hair light from behind for separation",
"behavior": "even luminous coverage across entire face, controlled specular on forehead and cheekbones",
"shadow_quality": "near shadowless beauty flat, minimal directional shadow",
"dark_skin_priority": [
"expose for skin midtones",
"full detail in darkest areas",
"zero crushed blacks",
"warm golden highlight reflections"
]
},
"rendering_rules": {
"skin_quality": [
"glass skin finish, actor headshot standard",
"subsurface scattering for melanin-rich skin",
"controlled radiance not oily shine",
"skin reads as naturally perfect not digitally smoothed"
],
"explicitly_exclude": [
"no visible pores ever",
"no blemishes",
"no spots",
"no wrinkles of any kind",
"no expression lines",
"no smile lines",
"no under eye circles or shadows",
"no uneven pigmentation",
"no ashiness",
"no dullness",
"no skin texture irregularity",
"no crushed shadows on skin",
"no nasolabial folds",
"no forehead lines",
"no dry patches",
"no redness",
"no visible follicles"
],
"quality_reference": "think Lupita Nyongo Lancôme campaign level skin finish"
},
"output": {
"resolution": "high",
"aspect_ratio": "3:4 vertical",
"crop": "face and upper shoulders only",
"photo_style": "professional actor headshot, beauty editorial, magazine cover clean"
}
}