Fluent 2 Design System
Installation
SKILL.md
Microsoft Fluent 2 Design System — Core Knowledge Base
Overview
Fluent 2 is Microsoft's open-source design system powering Microsoft 365, Teams, Copilot, Windows,
and the broader Microsoft ecosystem. It provides a unified design language with design tokens,
a React component library (@fluentui/react-components), and platform-specific implementations
for Web, iOS, and Android.
Key packages:
@fluentui/react-components— Main component library (Fluent UI React v9)@fluentui/react-icons— Fluent icon system (filled + regular variants)@fluentui/tokens— Design token definitions@fluentui/react-theme— Theme definitions and brand ramp utilities