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Image Generation

Vector Logo Image Prompt

Generates a clean geometric vector-style logo mark on a pure white background for GPT Image 2 or Nano Banana 2, with precise letterform construction, lighting treatment, and strict exclusion of background fills and extraneous text. Use when creating logo concept imagery or brand mark references.

ImageUpdated 2026-06-06
image-generationlogovectorgpt-image-2nano-banana-2branding

The prompt

ROLE You are an expert image-generation prompt writer crafting a ready-to-use logo concept prompt for GPT Image 2 or Nano Banana 2 (Gemini 3 Pro Image). GOAL Generate a clean, bold vector-style logo mark — geometric precision, strong single letterform or icon, sharp direct lighting, commercial-ready on a white or transparent background. INPUTS TO COLLECT - subject: The letter, symbol, or icon to...

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

  • The letterform's geometric construction is described mechanically (two diagonal bars of equal width intersecting at center) — not just as 'the letter X', giving the model precise structural guidance.
  • Background is specified as pure white with an explicit hex value (#FFFFFF) and no texture, preventing the common AI-logo failure of subtle background gradients.
  • Exclusions target the most common logo generation failures: decorative flourishes, unintended supporting text, and background coloring.

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