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Help? Colour Mismatch between Photoshop & Apple screenshot
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Fresh-Faced Recruit
Join Date: Feb 2007
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Has anyone else come across this problem?
Try this test: Open up a new psd using the default photoshop settings (RGB colour/8 bit; Color Settings: North American General Purpose 2; proof setup - working cmyk) and fill the bg with any colour (for example #ff0000) now do a screenshot of anything, then open up the screenshot png in photoshop. Now switch between the psd and the png and watch the colour in your palette in your photoshop toolbar change!
Anyone know what's going on?!
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Clinically Insane
Join Date: Dec 1999
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My guess is that you're working in CMYK, and when you take a screenshot it makes an RGB image. If you open that image in Photoshop, your color mode will be in RGB and not CMYK.
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"…I contend that we are both atheists. I just believe in one fewer god than
you do. When you understand why you dismiss all the other possible gods,
you will understand why I dismiss yours." - Stephen F. Roberts
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Moderator  Join Date: Aug 2001
Location: This is not my beautiful house
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As a general rule for editing, in Photoshop, your color settings should be Adobe RGB and Photoshop CMYK, for the widest possible working gamuts. Once you are done, then you convert to your target profiles (sRGB, a custom CMYK press profile, etc.) North American General Purpose must be something new. Is it an RGB color space? It sounds vaguely like a CMYK press space.
olePigeon, I think, has the right answer, though. You were probably working in CMYK and was comparing that to an RGB screenshot. Additionally, a screenshot will usually be generated within the monitor color profile, and have nothing to do with your base Photoshop settings. A screenshot will refer to the profile you have set in your Displays control panel for color. I'm also betting you have not color-corrected your monitor, either.
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Fresh-Faced Recruit
Join Date: Feb 2007
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Thanks for your replies. Haven't had the Mac long, and everything is set to whatever settings it came with. I'm going to investigate further based on your advice. Cheers
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Fresh-Faced Recruit
Join Date: Feb 2007
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I've investigated further. Converting the screenshot to CMYK solves the problem, but not sure why the problem exists. North American General Purpose 2 is the Photoshop default color setting, using sRGB. I always set up my documents in RGB, because I'm designing for web. Although the photoshop default proof setup is CMYK, changing this to Macintosh RGB makes no difference. At this point, I'm assuming it's something to do with the screenshot, rather than the photoshop document
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Fresh-Faced Recruit
Join Date: Feb 2007
Status:
Offline
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