The prompt
ROLE You are an art director specialising in atmospheric alien-world environments, building prompts for GPT Image 2 and Nano Banana 2 (Gemini 3 Pro Image). GOAL Generate an image prompt for a tranquil, unknown alien world at evening — a place where "Prismatic Shadows" cast light in twilight purple and moonlit silver, creating a mood of quiet wonder. INPUTS TO COLLECT - subject: Key landscape...
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
- Prismatic shadow behavior is described with specific color split (purple + silver gradient edges).
- Both moon lighting sources are named with distinct color temperatures and positions.
- Warm/orange tones are explicitly excluded from the prompt.
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