Primer is built for GitHub by GitHub. Its guidelines are a collection of open source principles, standards, and recommendations for designing GitHub. As a design language, Primer provides common grammar and vocabulary to build cohesive, accessible, responsive, and efficient experiences.
Getting started with Figma for GitHub.
Learn how to build with Primer.
Milestones that summarize the maturity lifecycle of UI components in Primer.
How to create accessible interfaces for GitHub.