Mantle
An AI-powered brand identity studio for developers and founders, bringing logos, typography, brand voice, and coordinated light and dark themes into one design system.

The Identity Layer for Stagware
Mantle is an AI-powered brand identity engine for developers and founders who have built the muscle of their application—the code—but still need the coat that makes it presentable. It moves beyond simple color pickers to generate a comprehensive, seasonally aware Brand Bible from a single mission statement.
The Stagware Philosophy
Mantle uses a cohesive metaphor that sets it apart from generic design tools.
The Seasonal Hook
Just as a stag changes its coat for the season, modern applications must adapt to user preferences. Mantle generates both a Winter Mantle for dark mode and a Summer Mantle for light mode, ensuring the brand looks majestic in any environment.
Regal Authority
Mantle treats branding as an act of coronation. It creates Sigils for logos and Crests for secondary marks, giving the identity a sense of enterprise-grade authority.
Layers
If the code is the skeleton and muscle, Mantle is the fabric draped over it—the Identity Layer.
Explore the brand package
Its seasonal approach pairs a Summer Mantle for light interfaces with a Winter Mantle for dark interfaces. The public example lets visitors explore a complete identity without an API key, including primary and secondary marks, logo variations, font pairings, color usage guidance, and CSS theme variables.
Inside the identity system
- Primary Sigil and secondary Crest
- Simplified, monochrome, and outline logo variations
- Heading and body font pairings with design rationale
- Named colors with usage guidance and displayed contrast ratios
- Coordinated light and dark interface previews
- CSS custom properties with a prefers-color-scheme dark-mode rule
- PNG, SVG, and complete-package download controls
Explore the public example without an API key. Creating a new identity requires your own Gemini API key. The screenshots below show the existing Mantle example package.




