Mismatch between IEC61966-2.1 color profiles of Photoshop and macbook pro screen

Question

Hi there!
I am working with documents in EC61966-2.1 color profile. When screenshotting and pasting somewhere out of photoshop, I am getting an image with dull colors. I've read that the solution is to set both color profiles the same, but when I try to set screen color profile to EC61966-2.1, the colors are becoming oversaturated. Any suggestions?

davescm · Accepted Answer

The document profile and monitor profile are different things.

The document profile such as Adobe RGB 1998 or sRGB IEC61966-2.1 describe what actual colours the colour values in the document represent.

The monitor profile describes what colours are displayed by your monitor when sent colour values. It is specific to your monitor in its current state of adjustment. So changing the brightness or contrast requires a new monitor profile to be built.

Using both profiles, The colour management system can translate the values sent to your screen in order to display colours correctly.

Now screenshots. Taking screenshots is not the best way to move images in and out of Photoshop, but if you must use a screenshot do this:

1. Take your screenshot.

2. Open it in Photoshop

3. Assign the monitor profile (remember there is only one valid monitor profile).

4. Convert to a document space such as sRGB IEC61966-2.1

5. You can now use or export the screenshot.

Dave

D Fosse · Answer

No, that's not the solution.

The solution is to assign your monitor profile to the screenshot. Then convert to whatever standard color space you're working in, in this case sRGB. Then they will match, both in appearance and numbers.

A screenshot no longer has any connection to the original document, and the original color space no longer applies. The screenshot has already been converted into your monitor profile before being sent to screen. Those are the numbers you capture, but that profile is normally not embedded. So you need to assign it.

You say "somewhere out of photoshop". That could mean anything, and if that "somewhere" isn't fully color managed, all bets are off. But if you have converted as described above, they will at least behave identicallly to the original.

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