Colour issue driving me crazy. Please help!

[Jack Flesher]

Here is a really helpful website for evaluating your browser's color management issues.  Maybe it will help sort things out.  I suspect the issue may be the difference between your monitor profile and the sRGB profile as explained in his third example in the left-hand column,  sRGB 2.2 Gamma.  http://www.gballard.net/psd/go_live_page_p...Gprofiles.html#

Cheers,

[tho_mas]

Graham,

could you please open this image in Photoshop.

[attachment=13920:graham_spin.jpg]

Looks okay?

Now open the image in the "safe for web"-tool.
Do NOT activate "convert to sRGB".
Set "preview" to "document profile" and toggle to "monitor colour" - what happens?

[Graham Mitchell]

Set "preview" to "document profile" and toggle to "monitor colour" - what happens?

I'll show you...

[tho_mas]

I'll show you...

Okay Graham. The image is profiled with a "colour spin" profile. Colour managed the image should look like your "original" photo (i.e. it should look fine and not spinned to violet).
That the image in the left window is not colour managed shows without a doubt that Photoshop does not convert to the monitor profile.
So the real problem is not the conversion of the image or its view in the browser - the problem is the view in Photoshop.
It should look like this (on the left: image in Photoshop)...
preview set to "monitor" (without CM):
[attachment=13923:spin_pro..._monitor.jpg]

preview set to "document" (with CM):
[attachment=13924:spin_pro...document.jpg]

What happens when you safe my spinned version on the desktop, right click on the image and from the context menu "open with" ...
1. mac preview
2. color sync
looks okay or looks spinned here?

edit:
if it looks okay in the mac preview and in colorsync please switch the CMM in Photoshop's colour preferences from "ACE" to "Apple CMM" and see if Photoshop now transforms correctly ->
[attachment=13921:colpref.jpg]

[Graham Mitchell]

I really appreciate the time you are spending on this!

the problem is the view in Photoshop.

I also suspect it is a Photoshop issue.

What happens when you safe my spinned version on the desktop, right click on the image and from the context menu "open with" ...
1. mac preview
2. color sync
looks okay or looks spinned here?

Both look normal.

if it looks okay in the mac preview and in colorsync please switch the CMM in Photoshop's colour preferences from "ACE" to "Apple CMM" and see if Photoshop now transforms correctly

Same problem as before.

[tho_mas]

Same problem as before.

Heck!
Are you running Intel Mac?

[32BT]

edit:
if it looks okay in the mac preview and in colorsync please switch the CMM in Photoshop's colour preferences from "ACE" to "Apple CMM" and see if Photoshop now transforms correctly ->
[attachment=13921:colpref.jpg]

Interesting, because the upper-right sRGB rendition in SaveForWeb still looks bleached and not warm like the original posted earlier or the properly managed spinned version.

Which suggests that Photoshop is not converting the image data for display.

For that particular stage, Photoshop is ALWAYS using its own conversion, so switching engines will likely not make a difference.

Question now becomes:
1. Is there some setting that makes Photoshop think it does not need to convert?
or
2. Is there a problem with the display profile that stops Photoshop from making the conversion?


Did you already try the ColorSync utility "Profile First Aid" function?

[tho_mas]

For that particular stage, Photoshop is ALWAYS using its own conversion, so switching engines will likely not make a difference.

ah, okay! Wasn't aware of that - thanks!

Is there a problem with the display profile that stops Photoshop from making the conversion?

Graham, try this profile once again.
It's set to the primary colours of your display, Gamma 2.2 and D65 (as yours but without correction curve for the video LUT).
http://tinyurl.com/rcrsce

[Graham Mitchell]

Heck!
Are you running Intel Mac?

Yes.

Model Name:   MacBook Pro
Model Identifier:   MacBookPro3,1
Processor Name:   Intel Core 2 Duo
Processor Speed:   2.2 GHz
Number Of Processors:   1
Total Number Of Cores:   2
L2 Cache:   4 MB
Memory:   4 GB
Bus Speed:   800 MHz

[Graham Mitchell]

Did you already try the ColorSync utility "Profile First Aid" function?

Yes, there was no problem with my monitor profile but there was a seemingly minor problem with the Adobe RGB profile but perhaps I underestimated it:

Checking 56 profiles...
~/Library/ColorSync/Profiles/Adobe RGB
   Tag 'desc': Tag size is not correct.
Verify done - found 1 bad profile.

By the way, Colorsync Utility couldn't repair it.

[Graham Mitchell]

Graham, try this profile once again.
It's set to the primary colours of your display, Gamma 2.2 and D65 (as yours but without correction curve for the video LUT).
http://tinyurl.com/rcrsce

Problem still there.

[Jack Flesher]

It appears your monitor "profile" is NOT getting applied. If you look in your color synch library can you find the "profile" you created using the OS toll as you named it?

[tho_mas]

MacBook Pro

maybe a problem with assignment of laptop-display and external monitor?

workaround: do you agree that colours on your display aren't accurate due to missing calibration? (a real pity looking at your great images with subtile transitions, soft colour gradations a "smooth" expression).
Your monitor profile correlates roughly sRGB. So try to set the regular sRGB profile as monitor profile for the laptop and for your Asus as well. This is not accurate certainly but it isn't now either. And it should be temporarily only.
On your Asus the high saturated blues and magentas will be slightly undersaturated (as in this colour area the Asus profile is smaller than sRGB) but it shouldn't be that much.

Does that work?

[tho_mas]

.

[Graham Mitchell]

It appears your monitor "profile" is NOT getting applied. If you look in your color synch library can you find the "profile" you created using the OS toll as you named it?

Yes

[Graham Mitchell]

Does that work?

Unfortunately still no...

[32BT]

Well, the workaround would be to select the "proofing" option and select your displayprofile as the proofing space.

Could you see if that works?

[Graham Mitchell]

Well, the workaround would be to select the "proofing" option and select your displayprofile as the proofing space.

Could you see if that works?

If I proof using 'Monitor RGB', the image becomes less saturated.

[Jack Flesher]

If I proof using 'Monitor RGB', the image becomes less saturated.

Then it seems to be an issue with your *monitor profile*.  And yes, this is the last time I will respond because I know I'm sounding like a broken record

[tho_mas]

Unfortunately still no...

Photoshop definitely ignores the monitor profile. The case should be adressed to Adobe or Apple.
(actually your dual monitor display setup should be okay as Firefox and Safari are doing it right...)

If I proof using 'Monitor RGB', the image becomes less saturated.

no, not "Monitor-RGB". That means that all RGB-Data is displayed without CM (directly sent to the Monitor-RGB).
Set your Monitor Profile as Proof-Profile as you would do it with any paper profile (and set it to rel. colormetric).
Does that work? (please take my spinned image from above for all tests...)