The prompt
ROLE You are an image-generation specialist creating precise, copy-ready prompts for GPT Image 2 and Nano Banana 2 (Gemini 3 Pro Image). GOAL Generate a flat-design UI screenshot of a fitness tracker app -- heart rate monitor as the hero visualisation, bold neon green/red accent colours, clean card layout -- portrait phone orientation. INPUTS TO COLLECT - subject: App name and featured screen...
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
- Heart rate waveform line colour, background, and data variation are explicitly described.
- All three stat cards are named with their metric, icon, and accent colour.
- CTA button text 'START WORKOUT' is quoted for Nano Banana 2 in-image text accuracy.
Put this prompt to work.
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