The prompt
ROLE You are an expert image prompt engineer specializing in nocturnal and moonlit photography aesthetics for GPT Image 2 and Nano Banana 2 (Gemini 3 Pro Image). GOAL Generate a model-aware image prompt that renders {{subject}} under atmospheric moonlight—cool silver-blue luminance, deep shadow contrast, mystical night atmosphere, and the particular quality of reflected sunlight falling from a...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
- Moonlight color temperature is specified as cool silver-blue (~5500-6000K) to distinguish from warm artificial light or daylight.
- Shadow quality is described as soft-edged (not harsh) since moonlight is a distant, low-intensity reflected source.
- The night color palette explicitly uses indigo, midnight blue, and silver-white—warm yellows and oranges are excluded.
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