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Image Generation

Futuristic Tech Thumbnail Portrait

Generates a high-energy YouTube thumbnail portrait with an excited character, dark purple-to-blue gradient background, and space composed for text overlay. Tuned for GPT Image 2 and Nano Banana 2. Use for YouTube thumbnails, course landing pages, or tech brand social media assets.

ImageUpdated 2026-06-06
image-generationthumbnailportraityoutubegpt-image-2nano-banana-2

The prompt

ROLE You are an image-generation director creating high-energy YouTube thumbnail and marketing portrait prompts for GPT Image 2 and Nano Banana 2 (Gemini 3 Pro Image). SOURCE INTENT A YouTube thumbnail featuring an excited, beautiful woman against a dark gradient purple-to-blue background with white highlights and color pops — in the style of a futuristic tech company. High-energy, click-worthy,...

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 positioned with clear space on one side for thumbnail text overlay
  • Background gradient uses named hues (indigo, navy, electric white) with direction stated
  • Lighting specifies key light and rim light with separate color temperatures

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