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A question I can't seem to find an answer to

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1 year 11 months ago #6408 by jerry
In lightroom room, I just noticed that when I turn on soft proofing and do my edit, when Im done ill goto the print module, i went back to the develop module and my contrast changes. There is more contrast in the develop module than in the print module, why is this changing as I switch back and forth?

I am using the same profile.

also which render intent do you use? Perceptual or Relative?

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1 year 11 months ago #6409 by Bob Kearns
1: When you make your adjustments make a proof copy and print that.
2: Relative

Even if your on the right road you'll get run over if you just sit there.

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Pickup your Photography Tshirt today
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1 year 11 months ago #6410 by jerry
Ok, I am kinda lost on number 1.
Why relative instead of perceptual?

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1 year 11 months ago - 1 year 11 months ago #6414 by Brent Ross
here is how colour works

-you have 256 values for each channel
-they range from 0 - 255
-what these numbers mean depend on your color space
-a value of 202, 156, 80 is different in aRGB than CMYK

Here is a link to perceptual vs relative
www.cambridgeincolour.com/tutorials/color-space-conversion.htm

basically relative is better because it clips out of range values. Perceptual crushes the out of range values into range, thus shifting every colour
Last Edit: 1 year 11 months ago by Brent Ross.

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1 year 11 months ago #6415 by jerry
I think I figured it out, I think it was adjusting the out of gamut colors. I changed the image back to color and sure enough, it was clipped, I did a local adjustment brush on it, converted back to black and white and swapped again between develop and print, those changes did not happen.

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1 year 11 months ago #6416 by jerry
I think I figured it out, I think it was adjusting the out of gamut colors. I changed the image back to color and sure enough, it was clipped, I did a local adjustment brush on it, converted back to black and white and swapped again between develop and print, those changes did not happen.

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