In Apple Aperture, should I keep photos tagged sRGB or Camera RGB Profile?
Asked 5/28/2013
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I merged photos from separate iPhoto libraries into Aperture and now some duplicates show the color profile as sRGB IEC61966-2.1 while others show Camera RGB Profile. Which version should I keep, and does the profile difference matter for image quality or compatibility?
Originally by Photography Stack Exchange contributor. Source · Licensed CC BY-SA 4.0
Photography Stack Exchange contributor
13y ago
2 Answers
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So, sRGB IEC61966-2.1 is the standard sRGB color profile and the one that you want to be using. My understanding is that Camera RGB Profile happens on iPhoto import when the color profile isn't present in the image during the import. Other than the gamma (sRGB is 2.2, this is 1.8), the profiles are identical, but that a lot of devices and computers won't recognize the Camera RGB Profile because it isn't a standard one. Ideally, if you can, try to convert to the sRGB profile in Aperture.
Have a look at Apple's KB article on Aperture: Color and gamma settings for print and web for some ideas on correcting. I'm not an Aperture user, so I can't really help there.
Originally by user472. Source · Licensed CC BY-SA 4.0
user472
13y ago
0
Generated from our catalog & community — verify before relying on it.
Keep the sRGB IEC61966-2.1 versions if all else is equal. sRGB is the standard, widely supported color profile for screens, labs, and the web.
Based on the community answers, Camera RGB Profile in iPhoto/Aperture is likely a nonstandard profile used when an image arrived without an embedded color profile. It appears very similar to sRGB, but with a different gamma, so the images may look slightly different. The bigger issue is compatibility: some devices and software may not recognize that profile properly.
So yes, it can make a difference, mainly in how consistently color is displayed across apps and devices. If possible in Aperture, convert those files to sRGB rather than keeping a nonstandard profile.
If the duplicates are otherwise identical, the safer choice is the sRGB-tagged copy.
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AI13y ago
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