Logo Design Reference

AI-powered logo design with 55+ styles, 30 color palettes, 25 industry guides. Gemini Nano Banana is the default provider; Atlas Cloud and MuAPI are also available as explicit opt-in providers.

Scripts

Script	Purpose
`scripts/logo/search.py`	Search styles, colors, industries; generate design briefs
`scripts/logo/generate.py`	Generate logos with Gemini Nano Banana, Atlas Cloud, or MuAPI
`scripts/logo/core.py`	BM25 search engine for logo data

Commands

Design Brief (Start Here)

python3 scripts/logo/search.py "tech startup modern" --design-brief -p "BrandName"

Search Domains

# Styles
python3 scripts/logo/search.py "minimalist clean" --domain style

# Color palettes
python3 scripts/logo/search.py "tech professional" --domain color

# Industry guidelines
python3 scripts/logo/search.py "healthcare medical" --domain industry

Generate Logo

ALWAYS use white background for output logos.

python3 scripts/logo/generate.py --brand "TechFlow" --style minimalist --industry tech
python3 scripts/logo/generate.py --prompt "coffee shop vintage badge" --style vintage
python3 scripts/logo/generate.py --brand "TechFlow" --provider atlas
python3 scripts/logo/generate.py --brand "TechFlow" --provider muapi
python3 scripts/logo/generate.py --brand "TechFlow" --provider muapi --muapi-model nano-banana-pro

Options: --style, --industry, --prompt, --provider, --atlas-model, --muapi-model

Available Styles

Category	Styles
General	Minimalist, Wordmark, Lettermark, Pictorial Mark, Abstract Mark, Mascot, Emblem, Combination Mark
Aesthetic	Vintage/Retro, Art Deco, Luxury, Playful, Corporate, Organic, Neon, Grunge, Watercolor
Modern	Gradient, Flat Design, 3D/Isometric, Geometric, Line Art, Duotone, Motion-Ready
Clever	Negative Space, Monoline, Split/Fragmented, Responsive/Adaptive

Color Psychology

Color	Psychology	Best For
Blue	Trust, stability	Finance, tech, healthcare
Green	Growth, natural	Eco, wellness, organic
Red	Energy, passion	Food, sports, entertainment
Gold	Luxury, premium	Fashion, jewelry, hotels
Purple	Creative, innovative	Beauty, creative, tech

Industry Defaults

Industry	Style	Colors	Typography
Tech	Minimalist, Abstract	Blues, purples, gradients	Geometric sans
Healthcare	Professional, Line Art	Blues, greens, teals	Clean sans
Finance	Corporate, Emblem	Navy, gold	Serif or clean sans
Food	Vintage Badge, Mascot	Warm reds, oranges	Friendly, script
Fashion	Wordmark, Luxury	Black, gold, white	Elegant serif

Workflow

Generate design brief → scripts/logo/search.py --design-brief
Generate logo variations → scripts/logo/generate.py --brand --style --industry
Ask user about HTML preview → AskUserQuestion tool
If yes, invoke /ui-ux-pro-max for HTML gallery

Detailed References

references/logo-style-guide.md - Detailed style descriptions
references/logo-color-psychology.md - Color meanings and combinations
references/logo-prompt-engineering.md - AI generation prompts

Setup

export GEMINI_API_KEY="your-key"
pip install google-genai

# Optional Atlas Cloud provider (no extra Python package required)
export ATLASCLOUD_API_KEY="your-key"

# Optional MuAPI provider (no extra Python package required)
export MUAPI_API_KEY="your-key"

MuAPI uses the asynchronous model endpoint and prediction result API. See the MuAPI API reference for authentication and the nano-banana model contract or nano-banana-pro model contract for the current model-specific schemas. The logo generator supports both documented model slugs and sends their shared required prompt plus optional aspect_ratio fields; the Pro model also accepts an optional resolution field that this focused logo workflow leaves at the provider default.

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