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Brightness in Photoshop and saved file do not match !?

#1 User is offline   Nobody Icon

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Posted 12 May 2002 - 08:08 AM

Hi there, guys.

When I draw/design something in Photoshop and then try to save it (in any format) the saved file if lighter than I originaly wanted it to be.

The thing is, saved file is displayed correctly when I open it in PS, but when I open it in any other program (Preview) or set it as a desktop it is lighter than original. Same thing happens when I select Save for Web option - the preview of the saved file is much lighter.

I'm using PhotoShop 7.0 for Mac OS X (latest build).

I use non-mac monitor, though, but I'm not sure if it plays any role here, since in PhotoShop the file is displayed correctly.

Thanks for any insight! images/icons/cool.gif

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Posted 12 May 2002 - 08:15 AM

I've observed this exact phenomenon. Anyone have an explanation? As Rost said, the image looks right in PS. After a save and opening anywhere else, it looks different. Side by side, on the same monitor/LCD, the images look different.
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#3 User is offline   sonjay Icon

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Posted 12 May 2002 - 11:01 PM

I'm no expert on Photoshop's color management, but my guess would be that it might have something to do with the colorspace that Photoshop is using.
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Posted 12 May 2002 - 11:03 PM

Set your RGB working space in Photoshop to your monitor profile. (Which is preferably calibrated.) Photoshop > Color Settings. From there, select "Color Management Off" under Settings. Your working space should then be your Monitor RGB. Or you can choose something like US Prepress Default and change the RGB work space to your monitor profile. "Settings" will then be labeled "Custom".

Note that editing an image in your monitor space is not recommended if you intend to outsource files for printing. But if all you want to do is have images match from within different applications on YOUR screen, this is the solution.

Edited to add:
Another way to see what the image will look like in other apps or when you "Save for Web" is to use the Proof Setup. View > Proof Setup > Macintosh RGB. (You won't need to change your working space by using this method.)

Phil

[ 05-12-2002: Message edited by: Philbert ]

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Posted 12 May 2002 - 11:51 PM

Thanks Philbert! I'll check it out.

Although I think I've tried those solutions before...Maybe I was not paying attention or maybe PS needes restarting.

Anyway, thanks! images/icons/wink.gif

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Posted 12 May 2002 - 12:18 PM

This has always been something that has bugged me. Photoshop is set the default color space of sRGB, which they say is the "standard of web-work and the default of many scanners, software applications, and low-end printers". However it produces color that looks different in everything except Photoshop!

To save myself the pain of color management I just set it to the monitor profile.

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Posted 12 May 2002 - 02:00 PM

Well, this may or may not have anything to do with it, but sRGB is gamma 2.2 and Mac is gamma 1.8 by default so maybe that's why Photoshop seems out of sync. It sure would explain the brightness difference.
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