Image exported with slightly changed colours (NOT a JPEG artefact)

Fabrizio Giudici (stoppingdown)

• September 26, 2024 19:56
• Edited

Before requesting support from C1 I'd like to verify whether there's something known here. In short, when I export this photo (and others very similar) there is a slight but visible change in colours (yellow and green look colder) — this can be verified with the Digital Colour Meter of macOS. Note that this happens with TIFF too, so it's not a JPEG compression issue. This happens both with using sRGB profile conversion (for images published to the web) and the native camera profile (for my archival copy).

The yellow channel has been edited in the Color Editor with Hue: 6.9.

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  BeO

  • September 27, 2024 04:16

  

  Not related to your current problem, but the camera profile is an "input" profile and afaik should not be used as an output profile. What exactly do you do to archive your images?

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  Fabrizio Giudici (stoppingdown)

  • September 27, 2024 10:06
  • Edited

  
  This is an question related to my archival workflow (about which I don't have a definitive picture yet — pun intended). So the answer must be put in context.

  Short answer: because I consider those “archival” files as something that could undergo a slight, further processing, so I'd like to minimise processing.

  Long answer, with context (which explains the previous statement): I've created a separated thread about archival files, as it's a topic that I've been thinking of discussing here for a long time:

  https://support.captureone.com/hc/en-us/community/posts/21865066229917-About-long-term-archival-files

   

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  Fabrizio Giudici (stoppingdown)

  • September 27, 2024 21:10

  Might it be related to a side-effect of sharpening?

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