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Light page explaining the GitHub mark hierarchy with a nested-circles diagram and columns for brand mark, sub-brand lockups, product icons, navigation lockups, and the Universe event mark.
Summary
A mark-hierarchy page laying out the full logo system, anchored by a nested-circles diagram (GitHub Core, Sub-brands, Events) and columns documenting each tier of mark.
Visual description
Light background. Left column: "Mark hierarchy" heading, grey explanatory copy, and a concentric-circles diagram labeled GITHUB CORE (inner), SUB-BRANDS (middle), EVENTS (outer). To the right, separated by thin curved dividers, are columns: a BRAND MARK column (GitHub logotype, product icons row, navigation lockups), a SUB-BRAND LOCKUPS column (Copilot and Security stacked marks, plus a list of GitHub Actions/Copilot/Spark/Enterprise/Models lockups fading down), and a UNIVERSE MARK column (a green "Octocat-25" event mark with copy about time-bound event identities).
Key takeaway
The nested-circles mental model (core contains sub-brands contains events, each ring inheriting and adding exceptions) plus a per-tier column breakdown. It makes a complex multi-brand system legible on one page.
Reuse notes
A strong system-overview page for any layered brand architecture. The concentric-rings diagram is a reusable device for showing containment and inheritance between brand levels.
From this deck: Mark hierarchy (core, sub-brands, events)
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