Get a slide background with room for your title

About this exercise

You're presenting the product roadmap and want a background image for the title slide, made with Gemini. Get Claude to write one paste-ready prompt under 100 words, plain text. It must say 16:9, keep the left 40% of the image calm and empty for your title, name all 3 brand hex codes, and ban all text, numbers, charts and icons. End with a line that starts "Avoid:" and lists at least 4 things.

Common mistakes when you ask AI for this

• Putting the roadmap in the picture. The AI tries to draw the Q1-Q4 timeline, and image tools turn small text into gibberish. Try: Add: "No text, letters, numbers, charts or icons anywhere."
• Forgetting where the title goes. The AI fills the whole frame with shapes, so your white title has nothing quiet to sit on. Try: Add: "16:9. Keep the left 40% calm and empty for the title."
• No list of exclusions. Image tools add stray words, people and loud colors unless told not to. Try: End with: "Avoid: text, numbers, charts, people, orange."
• Getting a design memo. The AI explains its choices with headings and bold text. Try: Add: "Output only the prompt and the Avoid line, plain text."
• Trusting the AI to count words. Abstract-art prompts sprawl unless capped. Try: Add: "Prompt paragraph about 50 words."

What a strong prompt includes

• Sets the aspect ratio
• Saves room for the title
• Bans text in the image
• Gives the hex colors
• Adds an Avoid line

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