Flat UI/Startup Style Illustration Prompt

A simple, reusable prompt for Nano Banana Pro to generate flat, startup-style vector illustrations of a specified subject, emphasizing bright colors, simple shapes, clean design, and a white backgroun

gemini

The skill

Flat illustration of {argument name="subject" default="[subject]"}, startup-style vector art, bright colors, simple shapes, clean and professional design, white background, no text.

How to install it

Gemini

1. Open Gems → New Gem.
2. Paste the text below into the instructions field.
3. Save. The Gem appears in the sidebar and keeps the instructions
   across conversations.

In Google AI Studio the same text goes in System instructions.

Did it work for you?

Where it came from

YouMind OpenLab MIT The original

2026 YouMind-OpenLab