Are my images Green?

Started 5 months ago | Questions thread
Robin Casady
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Re: US Web Coated. Oops
In reply to Stacey_K, 5 months ago

Stacey_K wrote:

If you think it's important to the image. Lets say there is a red flower in the background that isn't really important. It's just there. The rest of the colors you know are -easily- inside sRGB. If the flower color doesn't come out super vibrant, not a big deal so I probably wouldn't bother. Not if this same flower is the subject of the image, I would by all means edit in a larger space, carefully check the gamut against the printer and "push" the printer profile as far as I can. Make sense?

Yes, thanks.

Robin Casady wrote:

Since so many pundits say to edit big and convert I'd like to try and get a handle on the pros and cons of that.

And I'm not using lightroom myself so this is just what I gathered from this thread. It uses proRGB as the "working" color space but it uses perceptual intent to the monitor profile for viewing. The color space you "see" in controlled by the gamut of your monitor profile. You aren't "seeing" proRGB. Otherwise you wouldn't be able to see the edits you are making as some would be outside the gamut of the monitor.

I was thinking I would use ACR instead of Lightroom to avoid the question about whether Lightroom 5 is doing a conversion instead of a straight rendering.

When you set a working color space in PS that is larger than your monitor, you -won't see- the colors outside of your monitor gamut, as it isn't rendering the image to your monitor profile for viewing. You would have to set the proof device to your monitor profile and check gamut warnings or else proof with your monitor profile to see what is really going on. Editing blind is never a good thing. For people using PS elements etc, I'm not sure there even is the proofing and gamut warnings available.

Right, for the test I would not be making any color edits. I just want to see what differences there are between rendering in sRGB vs. rendering in a larger space and converting to sRGB.

Which is why I mainly just work in sRGB unless I have a good reason. Less chance of posterization, I can view the whole color space on my monitor, I know it fits inside my printer profile. It really just makes life a lot less complex, a LOT less likely for me to bone head and have some color setting wrong and majorly screw up etc. Any major color adjustments, I revert back to the RAW file so the color space is defined as the RAW file is "baked".

Do you have a method for testing whether an image is within sRGB before deciding how to render it? Or, is it just seat-of-the-pants by how bright the colors look?

And really, it's pretty rare the change in the final print will be huge printing from aRGB rather than sRGB. My style of photography isn't super saturated colors, for the most part anyway. For the shots that are, I end up having to play with this stuff, which adds a lot of time to the PP of the image.

So, you try it in sRGB and then do over if it seems wrong?

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Robin Casady
http://www.robincasady.com/Photo/index.html
"Get your facts first, then you can distort them as you please."
—Mark Twain

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