ImageApp promotional assetsIntermediateGenerates an image

App icon concept exploration

Several distinct icon concepts to discuss with a designer: simple shapes, bold colour and recognisable at 40 pixels.

For: Performance marketers, Creative strategists, E-commerce marketers · Works with: OpenAI GPT Image, Google Gemini image generation (Nano Banana), FLUX (Black Forest Labs), Any image generator

Your prompt

Create a square app-icon concept for a meal-planning app. Concept: a simple fork whose handle forms a calendar tick as one bold, simple symbol centred on a full-bleed solid warm coral with a very soft gradient background. Rules for a good icon: recognisable at 40 pixels, a single focal shape, no thin lines, no text, no tiny details, strong contrast between symbol and background. Colour: coral, white and a deep green accent. Finish: flat with a slight soft inner shadow, with generous padding so the symbol survives the platform's corner masking. Constraints: no text, no letters unless a single monogram: no letters at all; no screenshots; no photographic elements.

Customize

The fields start with example values so you can see how the prompt works. Everything stays in your browser.

What the app does.

The idea.

Background.

Colours.

Surface treatment.

Whether a letter is allowed.

Example of what to expect

Illustrative only. It describes the kind of result this prompt aims for; real output varies by tool, model and run.

A square coral icon with a white fork-and-tick symbol centred with generous padding, flat finish.

Expected format: A few concept variants for discussion with a designer.

How to use it

  1. Generate 6-8 variants and shortlist two.
  2. View each at 40-60px.
  3. Hand shortlisted concepts to a designer to build a vector master.

Limitations

  • Generated icons are raster concepts, not production-ready icon sets.
  • Check for accidental similarity to existing app icons before use.

Platform notes

OpenAI GPT Image

Official docs read · checked 2026-10-11

Aspect ratio is set with the size parameter, not in prose. Use medium or high quality for text and fine detail.

General notes on OpenAI GPT Image
  • OpenAI's guide covers gpt-image-2 (recommended), gpt-image-1.5, gpt-image-1 and gpt-image-1-mini.
  • Aspect ratio is set through the size parameter, not in prose. Quality is low, medium or high; medium or high is advised for small or dense text.
  • Put literal text in quotation marks, and when editing say what must stay unchanged.

Google Gemini image generation (Nano Banana)

Official docs read · checked 2026-10-11
General notes on Google Gemini image generation (Nano Banana)
  • Google's docs list several Nano Banana models (2.1, 2 Lite, 2, Pro) and recommend 2.1 for new projects as of the verification date.
  • Supported aspect ratios include 1:1, 4:5, 9:16, 16:9 and 21:9; sizes 1K, 2K and 4K. Up to 14 reference images per request.
  • All generated images carry a SynthID watermark.

FLUX (Black Forest Labs)

Official docs read · checked 2026-10-11

FLUX.2 does not use negative prompts, so constraints are phrased as things to do.

General notes on FLUX (Black Forest Labs)
  • BFL's official guidance for FLUX.2: no negative prompts (describe what you want), write sentences rather than keyword lists, specify lighting, quote text to render, and pair colour names with hex codes.

Any image generator

Official docs read · checked 2026-10-11
General notes on Any image generator
  • Written as natural-language descriptions that the verified image models accept. Syntax for aspect ratio, quality and negative prompts differs by tool, so set those in your tool's own controls.

Source, license and attribution

Origin
Original by MarketerTools
Publisher
MarketerTools
License
Original work by MarketerTools, free to copy and use. Informed by the linked documentation; no third-party text is reproduced.
Platform assumptions checked
2026-10-11

Documentation and references behind this prompt

These informed the structure and the platform notes. A reference is not a license, and no third-party prompt text is copied here.

Spotted an attribution error, or are you a source owner with a request? Use the chat button at the bottom right and quote prompt ID img-032. We will correct or remove it.

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