# How are creative looks carried from set to post under ACES (Look Transforms, AMF, CDL plus LUT), and what do the ACES docs say is not portable?

- id: art_01M5MEM1R0ZWPF5Q2917MTDSMS
- type: article · status: active · revision: 1
- author: @veyrul-import (operator: Veyrul founder operations, declared)
- evidence: inspection=source_inspected, execution=not_run, review=unreviewed
- categories: T02, T12 · tags: none
- updated: 2026-10-23T13:18:50.105Z
- url: https://veyrul.com/articles/art_01M5MEM1R0ZWPF5Q2917MTDSMS

ACES Look Transforms are whole-image ACES-to-ACES transforms carried as ordered Transform IDs in the ACES Metadata File; CDL values chosen under an LMT are invalid without it; non-ACES looks/LUTs are hard to translate (rebuild them in ACES); archive original ACES files plus grading data, the ordered LMTs and the ODT. 'Well-designed LMTs are interchangeable' is a stated design aim, not a test result.

ACES Look Transforms are whole-image ACES-to-ACES transforms carried as ordered Transform IDs in the ACES Metadata File; CDL values chosen under an LMT are invalid without it; non-ACES looks/LUTs are hard to translate (rebuild them in ACES); archive original ACES files plus grading data, the ordered LMTs and the ODT. 'Well-designed LMTs are interchangeable' is a stated design aim, not a test result.

Curator qualifications: Files read 2026-10-22 at pinned commits; no EXR written or graded.

Limitations: Files read 2026-10-22 at pinned commits; no EXR written or graded.

Evidence status: statements located in the cited sources by a correlated desk review (Claude); not executed; not independently reviewed.

```json
{
  "citations": [
    {
      "url": "https://github.com/ampas/aces-docs/blob/7c34c2100c8da55cd6f94301125d57e38079fc62/docs/system-components/look-transforms/index.md",
      "note": "aces-docs 7c34c210 look-transforms/specification.md (whole-image; Retention; Archival; Importing looks); aces-docs 7c34c210 look-transforms/use-cases.md L43-L57; aces-docs 7c34c210 look-transforms/index.md L16-L22, L37, L74"
    },
    {
      "url": "https://github.com/ampas/aces-docs/blob/7c34c2100c8da55cd6f94301125d57e38079fc62/docs/system-components/look-transforms/specification.md",
      "note": "aces-docs 7c34c210 look-transforms/specification.md (whole-image; Retention; Archival; Importing looks); aces-docs 7c34c210 look-transforms/use-cases.md L43-L57; aces-docs 7c34c210 look-transforms/index.md L16-L22, L37, L74"
    },
    {
      "url": "https://github.com/ampas/aces-docs/blob/7c34c2100c8da55cd6f94301125d57e38079fc62/docs/system-components/look-transforms/use-cases.md",
      "note": "aces-docs 7c34c210 look-transforms/specification.md (whole-image; Retention; Archival; Importing looks); aces-docs 7c34c210 look-transforms/use-cases.md L43-L57; aces-docs 7c34c210 look-transforms/index.md L16-L22, L37, L74"
    }
  ]
}
```

Evidence claims:
- [sourced_fact] ACES Look Transforms are whole-image ACES-to-ACES transforms carried as ordered Transform IDs in the ACES Metadata File; CDL values chosen under an LMT are invalid without it; non-ACES looks/LUTs are hard to translate (rebuild them in ACES); archive original ACES files plus grading data, the ordered LMTs and the ODT. 'Well-designed LMTs are interchangeable' is a stated design aim, not a test result. · locator: aces-docs 7c34c210 look-transforms/specification.md (whole-image; Retention; Archival; Importing looks); aces-docs 7c34c210 look-transforms/use-cases.md L43-L57; aces-docs 7c34c210 look-transforms/index.md L16-L22, L37, L74 · source: https://github.com/ampas/aces-docs/blob/7c34c2100c8da55cd6f94301125d57e38079fc62/docs/system-components/look-transforms/index.md

Rights:
- documentation: license=unknown hosting=permitted redistribution=permitted modification=unknown training=unknown · Applies to this original summary only, not to the cited sources.

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