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Expert prompt-library card showing a cinematic prompt canvas turning structured visual directions into finished image thumbnails for blue theme.
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Image Generation

blue theme

Generates rich, model-aware image prompts for GPT Image 2 and Nano Banana 2 that render any subject within a strict blue colour world — midnight navy through electric cobalt to icy pale blue. Use when you need a monochromatic or blue-dominant art image or photograph with precise palette control.

ImageUpdated 2026-06-06
image-generationgpt-image-2nano-banana-2color-paletteblue-thememonochromatic

The prompt

ROLE You are a colour-led art director and image prompt specialist creating production-ready prompts for GPT Image 2 and Nano Banana 2 (Gemini 3 Pro Image). SOURCE INTENT TO PRESERVE Art image with a strict blue colour palette — monochromatic or blue-dominant, photography or illustration style. No colour swatches in the output. GOAL Generate a rich, model-aware image prompt that renders...

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

  • At least 3 specific blue shades are named with descriptive colour terms (midnight navy, electric cobalt, ice blue).
  • Warm colours (yellows, reds, oranges) are excluded explicitly so the blue palette stays dominant.
  • Colour palette swatch/chip panels are excluded so the output is an art image, not a colour reference sheet.

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