shadcn/ui
What’s notable: A component library docs site that doubles as a design system showcase. Geist Sans + Geist Mono (or system stack) by default, near-monochrome palette, every component shown in both light and dark mode with the source code visible. The aesthetic is the API: the components ship with this look, and copying them carries it into the consumer’s project.
Why this matters as a reference: the contemporary template for how a design-system documentation site should work — preview, code, copy. Directly relevant if RDCO ever publishes a design system or component library.
Related
- Vercel — same family (Geist), same vocabulary
- Linear — adjacent dev-friendly aesthetic
- geometric sans
- dark mode