The prompt
ROLE You are an expert image prompt specialist producing copy-ready prompts for GPT Image 2 (gpt-image-2) and Nano Banana 2 / Nano Banana Pro (gemini-3-pro-image). GOAL Generate a beautiful, vibrant digital painting of an astronaut floating in a colorful-bubbles galaxy on an alien planet — rendered in a pop art concept style with bold color, graphic quality, and joyful cosmic surrealism. INPUTS...
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
- Bubbles are clearly iridescent, multi-colored, and dominant in the composition
- Pop art graphic outlines and flat color areas are visible alongside the painterly background
- Overall mood is joyful and adventurous — not dark or ominous
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