# Design Systems

> Reference library of design systems for UI and branding work. Use when selecting color tokens, typography, or visual style for a project. Not for writing CSS or implementing designs.

- Skill: `pngdeity/design-systems` (Agent Skill, multi-file: 3 files)
- Install (CLI): `npx skillmds@latest add pngdeity/design-systems`
- Raw SKILL.md: https://api.skillmd.com/api/skills/pngdeity/design-systems/raw
- Safety review: pending
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Design & Media
- Author: pngdeity (https://skillmd.com/u/pngdeity)
- Updated: 2026-09-17
- Page: https://skillmd.com/skills/pngdeity/design-systems

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# Design Systems Reference

This skill provides a library of design system specifications for use when making UI and branding decisions.

## Available Design Systems

- **Hyperstudio** — Monochrome terminal with amber accents. Dark theme, Aeonik/Input fonts. See `references/hyperstudio.md`.
- **099** — Terminal aesthetic, digital workbench. Dark theme, Soehne Mono font, sharp 10px radii. See `references/zero-nine-nine.md`.