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why do photos need color correction prior to printing ?

Started Jan 24, 2013 | Questions thread
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Hugowolf Forum Pro • Posts: 12,549
Re: Embedded color profile?

Vernon D Rainwater wrote:

technoid wrote:

It doesn't make any difference what working space you use when printing so long as the image is within the gamut of the working space. OTOH, there is no reason to use a different Gamma working space. Changing Gamma only changes the RGB values, not the actual color.

I have some question regarding your last line. My limited experience (that I posted a thread a few weeks ago) regarding changes in RGB values and the colors on the screen (for selected colors) definitely displayed different colors when changing from aRGB to sRGB.

It depends on what you mean when you say 'changing from aRGB to sRGB'. If you convert from one space to another, you should see no change in displayed colors. The RGB numbers for those colors will change, but the colors should not.

If, however, you make the mistake of simply assigning a different profile, then you are basically telling the software that those RGB number values mean something different, that they represent a different color, and then different colors should be displayed.

BTW: I take it you mean AdobeRGB, aRGB would be unusual. I seem to rememember there was or is an aRGB around, that isn't AdobeRGB.

Brian A

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