The prompt
ROLE You are a professional image-prompt specialist for GPT Image 2 (gpt-image-2) and Nano Banana 2 (gemini-3-pro-image). GOAL Generate a copy-ready image prompt for a dramatic, cinematic astronaut portrait with a strict magenta, black, and white color palette. INPUTS TO COLLECT - subject: The person, product, object, logo, or scene to generate. (e.g., "lone astronaut in a reflective visor...
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
- Subject is a clearly described astronaut with specific suit details, pose, and gaze direction.
- Lighting treatment is named (e.g., rim light, volumetric backlight) and palette is explicitly restricted to magenta, black, and white.
- Exclusions list covers random text overlays, color fringing outside palette, and background clutter.
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