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OCIO and ACES colour management: what six open-source projects document (documentation only)

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What this guide covers

For colourists, compositors and ComfyUI users reading about OCIO and ACES configs, looks, gamut compression and nodes. It collects what six projects' docs say, each at a pinned commit. Nothing was run, no project is ranked and licences were not reviewed.

More about this guide

Guide ID: art_01M6CKQ5QZ5RQKY27W0J6WMTZN

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Guide title

OCIO and ACES colour management: what six open-source projects document (documentation only)

Coverage

For colourists, compositors and ComfyUI users reading about OCIO and ACES configs, looks, gamut compression and nodes. It collects what six projects' docs say, each at a pinned commit. Nothing was run, no project is ranked and licences were not reviewed.

Useful starting points

  • One ComfyUI-OCIO document says to put the display transform last, since any grade placed after it acts on data that is already clipped or compressed.
  • That same document warns its LogConvert node applies only the transfer curve, so stopping there does not give a correct ACEScg result.
  • The projects refer to different ACES versions (1.0, 1.2, 1.3, 2.0), so check which one a config or look targets before mixing them.
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