{
 "slug": "kodak-portra-400",
 "name": "Kodak Portra 400",
 "category": "texture",
 "group": "Film",
 "media": [
  "image"
 ],
 "checked": "2026-10-13",
 "effect": "Warm, soft skin tones and a nostalgic photo feel.",
 "use_when": "Lifestyle portraits, fashion, weddings, travel.",
 "phrase": "shot on Kodak Portra 400 film, warm natural skin, soft pastel colours, fine grain",
 "pitfalls": [
  {
   "text": "Grain, sensor noise and vignetting date an image: a shop scene with them read as a photo from 2008. Grain belongs to a film or snapshot register, not to realism as such.",
   "evidence": "measured",
   "source": "Director Chair field notes on image prompting (Aug 2026)"
  }
 ],
 "per_model": [
  {
   "model": "nano-banana-pro",
   "phrase": "Emulate the aesthetic of Kodak Portra 400 analog film, characterized by fine grain, warm natural skin tones, and excellent highlight latitude.",
   "evidence": "unverified",
   "checked": "2025-12-08"
  }
 ],
 "external_refs": [
  {
   "site": "shotdeck",
   "url": "https://shotdeck.com/",
   "what": "real film frames tagged by colour, lighting, time of day and composition (paid, link only)"
  },
  {
   "site": "flim",
   "url": "https://flim.ai/",
   "what": "film, ad and music-video stills to search by text or image (free tier, link only)"
  }
 ],
 "licensed": [],
 "site_names": [],
 "related": [
  "film-35mm",
  "polaroid"
 ],
 "rights": "own-work",
 "evidence": "film-craft",
 "source": {
  "url": null,
  "note": "The first Director Chair spec, own words"
 },
 "body": "",
 "shown_with": null,
 "url": "https://directorchair.ai/texture/kodak-portra-400",
 "markdown": "https://directorchair.ai/texture/kodak-portra-400.md",
 "prompts": {
  "nano-banana-pro": "Emulate the aesthetic of Kodak Portra 400 analog film, characterized by fine grain, warm natural skin tones, and excellent highlight latitude. [your subject] in [your setting].",
  "nano-banana-2": "Emulate the aesthetic of Kodak Portra 400 analog film, characterized by fine grain, warm natural skin tones, and excellent highlight latitude. [your subject] in [your setting].",
  "gpt-image": "A photograph of [your subject] in [your setting].\nDetails: shot on Kodak Portra 400 film, warm natural skin, soft pastel colours, fine grain\nExclusions: no extra text, no watermark, no logo.",
  "seedream-5": "Shot on Kodak Portra 400 film, warm natural skin, soft pastel colours, fine grain. [your subject] in [your setting]."
 },
 "licence": {
  "code": "MIT",
  "text": "CC BY 4.0",
  "third_party": "Clips and card texts inside a \"licensed\" block belong to their makers and are shown with permission and credit."
 }
}