Re: Proof Colors in Photoshop
Re: Proof Colors in Photoshop
- Subject: Re: Proof Colors in Photoshop
- From: Steve Upton <email@hidden>
- Date: Fri, 02 Aug 2013 13:28:20 -0700
On Aug 2, 2013, at 1:01 PM, Spinnaker Photo Imaging Center <email@hidden> wrote:
> Out loud I want to thank Steve and all his staff at Chromix, and Iliah Borg with Andrey Tverdohkleb, for all their support!
Happy to do so.
I also have two points and a tip that I wanted to mention.
Point 1 - The discussion about best working space in one I won't enter into here other than to say that there will always be disagreement between people. I created a presentation some years back that summarized peoples' views into 3 groups: input, edit, and output. The input group wants to capture as much as they can and all devices are considered inferior to the image. As devices improve, so will our view of the image. The edit group wonders why we bother capturing or containing colors that are not visible on the display and worries about surprises at print time. The output group (typically where professional printers fall) wonders why anyone would want to capture, store, or edit anything outside the print gamut. Working in CMYK makes sense to them as the gamut is defined by the output system. Myself, I agree with all of them, at different times <g>
Point 2 - ProPhoto and even Adobe RGB are great spaces for storage and editing, obviously when used carefully. But please do remember that matrix profiles (as ProPhoto, aRGB, sRGB, etc all are) have NO gamut mapping tables in them. This means that if you convert from ProPhoto to sRGB for display or distribution, you will be clipping all color outside the sRGB gamut. Nasty. Print profiles have gamut mapping LUTs in them to move colors into the output gamut in a pleasing way. If you are concerned about the clipping that might happen into sRGB, try converting to a favorite larger-gamut print profile first, *then* convert into sRGB. You might like the gamut mapping better. The good folks at the ICC are working on an sRGB profile that can gamut map from the 'standard reference gamut' into/out of sRGB but I don't think that'll help here.
Finally, the tip:
For those working in ProPhoto who might be concerned that you are editing / creating colors outside your display gamut, setup a gamut warning for your display! Just set up soft proofing but select your display profile for the output profile. Then when you turn on gamut warning Photoshop will shade all the colors on your display that may fall outside of it's gamut. It can be a handy tool.
Happy summer all,
regards,
Steve
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