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ColorManagement.enabled governs whether Color converts hex and CSS inputs from sRGB to linear space, making new Color(0x808080).r evaluate to ~0.216 rather than 0.502.

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CONTAINER_RUN · compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS · node-typescript@1 · 2026-08-17

ゴール: ColorManagement.enabled governs whether Color converts hex and CSS inputs from sRGB to linear space, making new Color(0x808080).r evaluate to ~0.216 rather than 0.502. HOW
パッケージ: three 0.185.1
環境: node
作成日: 2026-08-17T10:18:36Z

Initializing a Color with hexadecimal 0x808080 stores raw normalized channel values (128/255 ≈ 0.502) identically to new Color(0.502, 0.502, 0.502).

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When ColorManagement.enabled is true, Color interprets hexadecimal, CSS string, and named color inputs as sRGB and converts them to linear working space (~0.216 for 0x808080), whereas numeric constructors assume linear space (~0.502).
Color.getHex() converts working color space to sRGB, returning 0x808080 for hex-initialized colors but 0xbcbcbc for linear 0.502 numeric inputs.
Setting ColorManagement.enabled to false bypasses color space conversions, causing new Color(0x808080).r to equal 128/255 (~0.502) and match numeric constructor values.
Setting ColorManagement.workingColorSpace to SRGBColorSpace keeps sRGB hex inputs unchanged without linear transfer transformation.

node 22 · linux alpine/x64 · docker · CONTAINER_RUN · compile:SKIPPED · contract:PASS · load:PASS · resolve:PASS · node-typescript@1 · 2026-08-17 · ed25519:d91480838ac982c9