Luminous Landscape Forum
Raw & Post Processing, Printing => Colour Management => Topic started by: Redcrown on March 19, 2015, 02:43:02 pm
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I'm missing something obvious here. Why does this not work?
In Photoshop (CC 2014) I open a colorful image (ProPhoto) and dupe it. On one version I convert it to a small gamut printer profile. On the other version I view the softproof for the same printer profile with the same settings.
I expect these two versions to match on-screen. They don't. They differ a lot, depending on how far out of the printer's gamut the original is.
So why does a convert to profile not match a soft proof of the same profile?
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Because Adobe soft proofing has never worked well, and hasn’t been updated for fourteen or fifteen years. It is really a joke.
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Because Adobe soft proofing has never worked well, and hasn’t been updated for fourteen or fifteen years. It is really a joke.
Well I just did the same test as the OP describes with Bills Balls, in ProPhoto RGB and they match exactly so I'm not sure what you're smoking with that comment ;D and I have no idea what the OP is doing wrong.
Test image OP is using perhaps has layers? Did you allow PS to flatten when converting? If so, that might be the cause for a visual disconnect. Don't flatten (since the soft proof doesn't undergo that effect).
No Joke.
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This was operator error, sorry for wasting your time. After a good night's rest, and in the light of day, when I repeat my test there is no mismatch. I'm pretty sure I had different rendering intents in my first test (perceptual vs. relative colormetric). The rendering intent is a sticky on both softproof and profile conversion and I was toggling, so I must have got them different.
I'm suffering a gradual increase in these kinds of senior moments. Are there any good drugs for that?
FWIW, I was softproofing because I received a Blurb book that was garbage. I've made about 10 Blurb books over several years and have been reasonably satisfied with the quality. But this last one was terrible. Washed out colors, low contrast. After supplying them with much evidence, they finally agreed to re-print at no charge. Now waiting for the reprint to arrive.
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This was operator error, sorry for wasting your time. After a good night's rest, and in the light of day, when I repeat my test there is no mismatch.
Excellent. As it should be and not as incorrectly reported as a Photoshop issue. FWIW, if you do have many layers, while the colors I see match, there's a slight difference using Convert to Profile on smoothness of gradients compared to soft proofing because again, it is possible and suggested one flatten when converting to an output profile while soft proofing takes place on top of all existing layers. Color on this end matches exactly between the two. Smoothness doesn't.