[pbroom]

Use 'display-p3' (matching CSS color(display-p3 ...)) as the only
identifier for gamma-encoded Display P3:

• InterpolationSpace: 'p3' -> 'display-p3' ('linear-p3' unchanged);
  unknown spaces now throw a TypeError instead of silently mixing in
  linear sRGB.
• PlaneModel: drop 'p3' and the 'display-p3' -> 'p3' alias; resolved
  planes keep model 'display-p3'. Unknown models throw a TypeError.
• CssColorFormat: toCss(color, 'p3') -> toCss(color, 'display-p3').
• ArraySpace (packColors/unpackColors): 'p3' -> 'display-p3'.

Update react/driver callers, tests, bench, and docs.

BREAKING CHANGE: 'p3' is no longer accepted as a space, plane model,
CSS format, or array layout; use 'display-p3'.

Part of a stacked set of PRs (#204 → #221) from the color-kit assessment. Validated per branch with pnpm build and pnpm test; lint, format, typecheck, size, artifact, preprod and agents checks pass at the top of the stack.

🤖 Generated with Claude Code

[pbroom]

• refactor(react)!: remove UI components; ship state and plane hooks only #249
• docs(react): rebuild the React docs around the plane hooks #248
• feat(react): add plane renderer, geometry and adaptive-quality hooks #247
• feat(docs): syntax highlighting palette for code samples #246
• feat(docs): native API map at /api/map #245
• docs: add concept pages, guides and entry-point narratives #244
• feat(docs): live plane hero on home and the example system #243
• feat(docs): generated API reference from TypeDoc JSON #242
• refactor(core)!: derive plane query budgets from step counts and drop PlaneWithSense #241
• fix(react): render input aria-label once, on the inner input #240
• fix(driver): map absolute percents as range positions and keep tiny-step precision #239
• fix(core): uncap saturate chroma and resolve planeHue as an OKLCH hue #238
• fix(driver): reject unknown gamuts and align validation error types #237
• chore(docs): remove Sandpack, the shadcn kit and the legacy docs shell #236
• docs(core,driver,react): document the public API #235
• chore: pin control-kit to a commit with its own pnpm workspace #234
• docs: update implementation backlog for the contrast solver replacement #232
• refactor(react)!: remove ColorPlane's deprecated edge option and webgl renderer alias #231
• fix(driver): validate the gamut in getColorAreaFallbackPoint #230
• feat(driver,react): keep the previous hue when an achromatic color is entered #229
• refactor(core)!: replace the hybrid contrast solver with chroma-column tracing #228
• perf(core): trim what contrastRatio pulls in #227
• perf(core): pack the named-color table #226
• feat(core): point 'p3' users to 'display-p3' #225
• chore: ignore local .claude files in prettier #224
• refactor(core)!: retire the legacy contrast-region engine #223
• fix(core): keep hybrid contrast contours connected through folds #222
• chore: add changesets for the assessment stack #221
• docs: generated API reference and repo polish #220
• chore: adopt changesets for versioning and release notes #219
• chore: fix facade peers, licensing, and lint ignores #218
• refactor(react): reuse core contrast and transfer functions #217
• refactor(core)!: make the contrast-region engine explicit #216
• refactor(core)!: remove pre-launch aliases and trim the root export surface #215
• refactor!: name the Display P3 space 'display-p3' everywhere #214 👈 (View in Graphite)
• refactor(driver): share pointer drag throttling between slider and area #213
• feat(react): keyboard, ARIA, disabled, and focus support for sliders and areas #212
• fix(react): stable refs, WebGL context loss, and handler composition #211
• fix(react): apply controlled updates against the latest snapshot #210
• feat(core): selectable gamut mapping method #209
• fix(core): compute contrast from unrounded values #208
• fix(core): consistent achromatic hue handling and single transfer function #207
• feat(core): parse CSS Color 4 syntax #206
• fix(core): reject malformed color input instead of producing NaN #205
• chore: add fast-check and axe-core test dependencies #204
• docs: graphics and performance APIs demo page #203
• feat(core): tuple and typed-array interop for GPU and three.js #202
• feat(core): allocation-free *Into variants for hot paths #201
• feat(core): interpolation space option for mix/interpolate/generateScale #200
• main

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[greptile-apps]

Confidence Score: 4/5

[Medium risk] Renames a color space identifier throughout the codebase.

The PR should not merge until invalid interpolation spaces are rejected at endpoints as well as interior positions.

Findings

1.  Unknown spaces pass at endpoints ▶

Summary

The PR standardizes the gamma-encoded Display P3 identifier as display-p3 across core APIs and their callers.

• Removes the old p3 API tokens and updates docs, demos, tests, and benchmarks.
• Adds errors for unknown interpolation spaces and plane models.

_{Reviews (1) · Last reviewed commit: "refactor!: name the Display P3 space 'di..."}

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Project	Deployment	Actions	Updated
color-kit	Ready	Preview	Oct 10, 2026 7:18pm UTC

[pbroom]

Merge activity

• Oct 10, 6:47 PM UTC: A user started a stack merge that includes this pull request via Graphite.
• Oct 10, 7:18 PM UTC: Graphite rebased this pull request as part of a merge.
• Oct 10, 7:18 PM UTC: @pbroom merged this pull request with Graphite.