WORK-192
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ID:WORK-192Status:done

Author the canonical prism SVG asset

Produce the canonical SVG for refrakt's new prism mark — V2 (filled apex) with golden-ratio cuts, stroke width 3, round caps and joins, ready to use as the brand mark across favicons, site header, and any future surfaces. The geometry is fully specified in SPEC-050; this work item is the production of the asset file(s) and the build-time integration.

Priority:mediumComplexity:smallMilestone:v0.14.0Source:SPEC-050
main View source

Criteria completion

Criteria completion: 4 of 8 (50%) checked; history from May 18 to May 180%25%50%75%100%May 18May 18

Relationships

Implements 1
Related 4
Branches 2
main current done
claude/v0.14.0-spec-050-brand-mark doneclaude/spec-053-tint-authoring-notes ready
History 4
  1. 091b416
    • ☑ Geometry matches {% ref "SPEC-050" /%}: outer triangle `(10, 16) → (90, 16) → (50, 86)`; cuts at top-x `20.19, 30.37, 40.56`; apex fill `(40.56, 16) → (90, 16) → (65.28, 59.26)`
    • ☑ Stroke width: `3`. Stroke linecap: `round`. Stroke linejoin: `round`.
    • ☑ ViewBox `0 0 100 100`, no width/height attributes (lets CSS size it)
    • ☑ Source SVG is hand-authored and human-readable (no exporter cruft); the file is committed as written
    by bjornolofandersson
  2. 9f39178
    Content editedby Claude
    v0.14.0 Chunk 4: SPEC-050 brand mark (WORK-192, 193, 194)
  3. 3b92415
    Created (ready)by bjornolofandersson
  4. 4aa8ad6
    Content editedby Claude
    plan: add SPEC-050 prism logo work items (WORK-192 to 194)

Acceptance Criteria

  • SVG file lives at packages/lumina/assets/logo/prism.svg
  • Geometry matches SPEC-050: outer triangle (10, 16) → (90, 16) → (50, 86); cuts at top-x 20.19, 30.37, 40.56; apex fill (40.56, 16) → (90, 16) → (65.28, 59.26)
  • Stroke width: 3. Stroke linecap: round. Stroke linejoin: round.
  • SVG uses currentColor for stroke and fill so it inherits whatever colour the surrounding context provides — works on dark navy, on neutral, on cream without per-context files. An embedded :where(svg) rule (0-specificity) provides a prefers-color-scheme-aware fallback colour so the same file also works as a standalone favicon where there's no CSS context to inherit from.
  • aria-label="refrakt" and role="img" for accessibility; decorative uses can override with aria-hidden="true"
  • ViewBox 0 0 100 100, no width/height attributes (lets CSS size it)
  • Source SVG is hand-authored and human-readable (no exporter cruft); the file is committed as written
  • Lumina exposes the asset via the package's exports map (./assets/logo/prism.svg and ./assets/* patterns) so downstream sites can import it directly from @refrakt-md/lumina

Approach

The SVG itself is small — a closed-path outer triangle, three line segments for the cuts, and a closed filled triangle for the apex. The spec contains the exact coordinates.

Decision worth capturing during implementation: does this file ship as a static asset, or as a component? For favicons it must be a file (consumed by the browser); for the header it can be either. Lean: ship as a file AND export a tiny Svelte component that inlines it, so both consumption paths work.

The currentColor choice matters — it means the same SVG works against dark navy (today's site) and the neutral-default surface (post-WORK-200) without per-mode variants. The stroke and fill both reference currentColor; CSS or the parent element controls the actual colour.

Dependencies

None. This is independent work and can run in parallel with SPEC-048 implementation.

References

  • SPEC-050 — full geometry, decision rationale, and previews
  • site/static/ or wherever the current logo lives — file to identify and eventually replace