Standards
Browse the knowledge base by standard.
DESIGN.md — Format Specification
DESIGN.md is a format specification maintained by Google Stitch for encoding a product's visual design language in a way that AI coding tools can read and act on. It defines a two-layer file format: YAML front matter for machine-readable design tokens (exact hex values, font properties, spacing scales) and a markdown body for human-readable design rationale.
WCAG 2.2 — Accessibility Reference
WCAG 2.2 (Web Content Accessibility Guidelines) is a W3C normative standard defining accessibility requirements for web content. This KB section is not a full transcription — it covers the criteria most directly relevant to UI component implementation, structured for decision-oriented use by AI coding tools.