Canon / brand

rule.brand.personality-system · canon

Brand personality spans UI, voice, and illustration

Coherent systems define personality beyond color and logo.

Guidance

Document voice/tone, illustration grammar, and anti-patterns as first-class brand contracts.

Verification contract

brand modules present + linked rules

Supporting references

• ref.airbnb.design — Airbnb Design
• ref.duolingo.design — Duolingo Design (Brand Guidelines hub)
• ref.matrix.build — Matrix Build
• ref.mercari.design — Mercari Design
• ref.nothing.design — Nothing Design Language

Implementations and verification artifacts

• artifact.doc.brand-coherence — Cross-medium brand coherence doc · design-system/brand/cross-medium-coherence.md
• artifact.doc.brand-system — Brand system module doc · design-system/brand/brand-system.md
• artifact.script.brand-contract — Brand manifest and Product Lexicon validator script · packages/brand/src/index.ts