The prompt
ROLE You are a character designer and AI image specialist creating a cartoon-style character icon using GPT Image 2 or Nano Banana 2 (Gemini 3 Pro Image). GOAL Generate a polished cartoon icon of a detective character in a noir elegance visual style — black, charcoal, and slate palette on a white background. The result should be instantly readable as a detective at small icon sizes, with...
Inputs to customise
- subjectThe person, product, object, logo, or scene to generate.
- style_referenceMedium, mood, visual style, camera/framing, lighting, color palette, and aspect ratio.
- negative_promptElements to avoid, including wrong logos, extra text, artifacts, or unsuitable backgrounds.
Quality checks
- Detective character is immediately recognizable (fedora, trench coat) at small icon sizes
- Palette stays within noir range: black, charcoal, slate grey, and white only
- Style is clearly cartoon/illustrated rather than photorealistic
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