Why doesn’t Lightroom support CMYK conversion?
Asked 10/8/2010
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Lightroom works in an RGB-based workflow, yet many photographers use it to prepare images for print. Why doesn’t Lightroom offer direct conversion from RGB to CMYK, and is that a deliberate design choice or simply a missing feature?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
15y ago
2 Answers
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Lightroom was never intended to be an all in one image editing solution. In the beginning it was limited to just raw conversion and slowly more Photoshop like features, such as local corrections have been added. I wouldn't be surprised if CMYK was added somewhere down the line.
Although a large number of users print images from Lightroom, doing your own CYMK conversion is a fairly advanced step that you only need to perform if you need total control over the conversion process, or if you need to use a specific black mix for magazine work. It is assumed that advanced users will have access to tools such as Photoshop to perform these steps.
Originally by user1375. Source · Licensed CC BY-SA 4.0
user1375
15y ago
0
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Lightroom’s RGB-only workflow is largely by design. It was built primarily as a raw processing, cataloging, and photo-editing tool rather than a full prepress application.
For most photographers, RGB is all that’s needed: Lightroom works in a wide-gamut RGB space internally and can export in common output spaces like sRGB, Adobe RGB, and other ICC-based profiles for printers or labs. Many labs expect RGB files anyway.
CMYK conversion is usually a more specialized prepress step, used when you need tight control over how colors separate for a specific press, publication, or black ink mix. That kind of work is generally handled in applications like Photoshop or Illustrator, which are designed for print-production tasks.
So the lack of CMYK in Lightroom is best understood as a scope/design decision rather than an oversight: Lightroom handles photographic editing and RGB output well, while CMYK conversion is left to more advanced layout/prepress software.
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