Color Management on MAC OS

Question: Currently, we are working on our HW Calibration SW on MAC OS. However, after we have applied our newly created profile as the default profile of the target display, the screen have changed. (For example, even if I have calibrated target display with 1.8 target gamma, if I apply our newly created profile as the default profile, the gamma of the target display have changed to 2.2 gamma.)
Is this situation is normal on MAC OS? Otherwise, is there anyway to prevent this situation? Even if I have applied Linear VGCT tag to our newly created profile, this situation was always happened. Is there any MAC OS API to disable or bypass the color management of MAC OS?
Please help me to find an answer of this situation.
Calibration Step of our Calibration SW for Hardware Calibration.
Steps:
Set "Linear ICC Profile" profile which as the Default profile of target display.
Do Gamma Calibration (Find target Gamma value)
Do White point Calibration. (Find target Color Temperature)
Do Brightness Calibration (Find target Brightness)
Check calibration result status.
Comment: After we complete to do calibration, our Calibration SW measured current status of target display whether it have reached to target Brightness, Gamma and Color Temperature or not.
Generate new ICC profile which applied current status of target display. (This profile contain Linear VCGT tag.)
Adjust "Newly created ICC profile" as the default profile of the target display.
Commrnt: The below problem was happened after the default profile have changed to Newly created profile.
Problem:
After I configured this newly created ICC profile as the default profile, I have re-checked current status of target display. At this time the gamma value have returned to 2.2. (Example: Before I set newly created ICC profile, the current Gamma was 1.8, howver, after the newly created profile have configured to Default profile, the Gamma value have changed to 2.2)
Please give me any feedback about this situation? Is there any other MAC API to handle this situation? Otherwise, is this situation is normal in MAC OS environment?

I suggest posting this on the Aperture forum, that is where all the color management experts hang out.

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This question was solved.
View Solution.

Please note that in the Print dialog I get "Color Matching" not "Color Management."
Still, I am (at this point) able to control color from Photoshop Elements, so that's good enough to proceed.
Thanks again.

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gme109 wrote:
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Two weeks ago I wrongly faulted my new Dell 2707WFP monitor for its high contrast and saturation after many failed profiling attempts using the Spyder2Pro with the updated Vista software. I'm still at a loss as to why images are dark and overly saturated in Photoshop, Bridge and Lightroom. They were all fine on an older Dell system running XP home and CS2. I've gone so far as to purposely inflict various gamma curve settings in Spyder to bump up the low end luminance but resulting profiles still show images clipped in the low end and overall saturated even as the desktop and the PS interface turn a sickly pale.
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If I do a screen shot and paste it back into PS, it turns DARKER than the original file.
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ATI CATALYST CONTROL CENTER fails to run on bootup so windows shuts it down. No fix that I can find for this.
Running Vista Home Premium on a Dell Inspiron 530 E6550, 4GB memory, Radeon HD2600XT
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Found this on the DATACOLOR site in their SUPPORT CENTER:
Incorrect Color outside Photoshop on Wide Gamut Display
Solution >>I just purchased a Dell 2407 HC display, considered wide gamut and the spyder 3 elite. I've used the spyder 3 to calibrate the monitor. In photoshop whenever I "Save for Web" or "Save as" in the sRGB color space, I wind up with over saturated oranges and reds. I'm needing to save in the sRGB for web work. My working color space is set to sRGB which looks fine when editting in photoshop, but as soon as I save it out of photoshop the reds and oranges are over saturated. I purchased the spyder 3 because of the wide gamut support, is there something I'm missing in calibration?
The display profile is not at fault here. The ICC profile for the display tells any application that uses color management what the color values for the display are. Thus Photoshop, which is using the profile, corrects for the colors on screen, giving correct results. A non-color managed application (such as Internet Explorer for Windows) would not use the profile and thus the colors would be oversaturated on your wide gamut screen. This is not the fault of the profile (that would make the color look wrong in Photoshop, where the profile is being used), but the lack of a profile (which makes the color look wrong in non-color managed applications).
This is the problem with using a Wide Gamut display for viewing in non-color managed applications. A typical gamut display is not color correct in such applications, but is at least approximately correct; a wide gamut display is noticably oversatured in some colors. On the Mac many applications, including web browsers and OS utilities, are color managed, so it is less of an issue than on Windows.
Article Details
Article ID: 723
Created On: 10 Jan 2008 07:31 PM
So if the color is off outside PS, then its not the fault of the profile. My problem is the image is off INSIDE PS, and by the same reasoning, then the profile is at fault. If the profile is to blame, is this a Spyder issue or Vista issue? So far noone seems to know anything including Adobe tech support and Dell. Been waiting 2 wks to hear from the Spyder people.
Would really appreciate some input on this. thanks.

Color Management

Though color management is very important when using Photoshop some aspects of it though is a waste of money for me. You see I'm like 10% of the men is the world am a little colorblind. This does not mean I do not see colors I see color quite well. Perhaps my color world is a more pleasing one then yours. I only calibrate my displays using web test pages and software tools. Perfect color on a screen has little value for me. People also have different taste when it comes to color when it comes for images many prefer over saturation then true life like looking images. Even when it come to black and white images. I have even heard people criticise Ansel Adams image as not being right. Ansel of course was creating art not mer real look pictures. Most of us have see Ansel Adams's images in books and print. If you have not seen a print made by Adams's himself you have not seen what he is famous for.
Being colorblind I do color correcting more by the numbers then by trusting colors my eyes see. I may transpose numbers from time to time I can still see them and use them for fixing color problems. I also have problems understanding many articles written about fixing colors when they state you fix image by finding neutral gray areas in the image. While that is true if the image has a color cast those areas will not be gray till the image's colors are corrected. Anyway I do numbers better then color. When it comes to art colors used is up to the artiest and their vision. Still I want my images to look good for people with normal color vision they look good in my world too. Ansel did color too but BW was where his love and ART is at.
Photoshop is also a toy and can do a great job with numbers for you. Using the gradient tool and square images you can get perfect black and White and color gradients. Using these you can see how Photoshop is able to blend thing. When you add to this blend if gray with its sliders that can be split you will find you have more the a toy at hand.
Playing around with Photoshop can be very educational here is a little example.
Simple gradients created in ProPhotoRGB 16 bir color and saved for the web in PNG-24 converted to sRGB.
Now to blend them and animated gif is not going to heck it for the web. CS6 does some video and color mangement what will it do with 16bit ProPhotoRGB???
How well does this web sit embed video??? only allows some web sites
how about a link to mine http://www.mouseprints.net/old/dpr/BlendingModes.mp4

Hi craigpop1,
So we can better assist you, please let us know what operating system is on your computer (version of Windows or Mac OS X), as well as what type of paper you are planning to print on.
If this is a time-sensitive matter, additional support options are available at Contact Us.
Did this answer your question? Please click the Accept as Solution button so that others may find the answer as well.

Is there a way to force color management ON in Flash Player 10

Here's my problem:
I have a wide gamut display (calibrated and profiled) and
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Firefox 3 supports full end-to-end color management (when
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The website may alter its page display based on the browser ID that is transmitted to the site from your browser. Some browsers on the iPad like iCab allow you change the browser ID to something desktop-oriented. Safari does not provide this capability.

Suspected Flaw in Firefox 35 Color Management Behavior

I hope I can keep this concise, but bear with me if my confusion causes me to include some extraneous info. The info below is what I think is required for someone else to fully understand the issue.
BACKGROUND:
- NECPA271W wide gamut monitor in dual monitor setup with a standard gamut Samsung 245BW
- Windows 8.1 Pro 64-bit
- Nvidia Quadro K4000
- Latest versions of FireFox (v35 32-bit), IE11 (11.0.9600.17498 updated to 11.0.15 32-bit) & Avant (Ultimate 2015 build 7, in use for testing because it incorporates the rendering engines of 3 major browsers, IE v 11.0.9600.17496, FireFox v 34.05.5464, & Chrome v39.0.2172.95)
- i1Display Pro (not the NEC SVSensor version), SpectraView II, NEC Multiprofiler & i1 Profiler
- Both monitors are calibrated and profiled. The NEC is calibrated using SVII, but since that software only supports NEC monitors, the 245BW has to be done using i1Profiler software that comes with the i1Display Pro. SVII is only capable of generating v2 ICC profiles, i1 Profiler is capable of v2 & v4, and recommends v4. Nevertheless, I think this entire bullet point is irrelevant to the effect I'm observing.
- I've lately started selling some of my photography on a fine art website. As a result I started digging deeper into how those images are viewed by others & subsequently printed. Images optimized in sRGB for the best possible display results across a widely varied viewer base are not going to give the same results as images that are soft-proofed and optimized for specific media/printer/ink combinations. This is especially true of my images which tend to lean in the direction of being more heavily saturated & wider gamut
- I've been exhaustively over the info here COLOR MANAGEMENT PHOTOSHOP CC CS6 Basic ColorManagement Theory ICC Profiles Color Spaces Calibrated Monitor Professional… & here http://cameratico.com/tools/web-browser-color-management-test/ among many others.
I had reached a point where I thought I understood things pretty well, but now I'm not so sure again Here's the problem:
I followed the guidance and info on how to set FireFox for FULL color management (value 1 with associated monitor profile) that allows the handling of non-tagged images and web page elements, http://cameratico.com/guides/firefox-color-management/. Upon restarting Firefox with the updated configuration, I return to the test at http://cameratico.com/tools/web-browser-color-management-test/ The last two tests there are designed to show a) how much wider your display gamut is than sRGB, and b) how the browser handles untagged images and elements.
The behavior I observe is different from the behavior I expect! Specifically, setting FIrefox to color management value 1 and telling it my monitor profile causes Firefox to display the sRGB tagged images as if they were not tagged. With the default value 2/no monitor profile, I can see a difference between the display of sRGB tagged images and either the ProPhoto RGB tagged image or the untagged sRBG & untagged CSS elements. I would expect that the change to value 1 with monitor profile should have no impact on the display of tagged images and elements, and yet that switch ONLY causes a change in the display behavior of the tagged images it shouldn't have affected, and I can no longer see a difference between the various images because everything is fully saturated
A marked up screen capture showing the comparative behaviors between the various applications and browsers would probably be worth more than the proverbial 1000 words, I'm new here & haven't figured that part out yet, but will post this as is while I work on that.
Can anybody replicate the behavior I observe? Is anybody spotting an error in my thinking?
TIA
Randy
*EDIT - I have annotated a screen shot comparing the results across 4 browsers. The screenshot has an embedded Adobe RGB profile which best represents the effects & changes that I was/am seeing but may not be preserved if posted here. It may be best to download and view in CS6 so as to not introduce any additional confusion arising from which browser YOU may be using :-) If needed the full res 2560x1440 version is available, but scaling to meet the forum limits of 900x900 makes the text unreadable. Can anyone suggest a means of supplying the full res file with the embedded profile retained?

twenty_one wrote:
Firefox will use the profile for the main display. It does not support a dual monitor setup. If you move FF to the secondary display, it will still use the primary display's profile.
There is a Firefox Add-On called Profile Switcher that allows using multiple monitor profiles. You will need to setup a Firefox user profile for each monitor:
https://developer.mozilla.org/en-US/docs/Mozilla/Multiple_Firefox_Profiles
After installing Profile Switcher Add-On you will find a new entry in the FF File menu 'Open Profile Manager,' which can be used to create and manage the new user profiles (see screenshots below).
You can then setup a Firefox Sync account to keep the user profiles synchronized or do this manually using Copy & Paste. I was concerned that Firefox Sync would over-write the configuration data for the monitor profile, but it doesn't. I leave 'gfx.color_management.display_profile' blank on the user profile for the primary NEC 272W monitor, and add the path for the monitor profile on the user profile for my standard gamut secondary display. Here's what I see when launching FF:
After installing the Profile Switcher Add-On you'll see two new entries in the FF File menu that allow you to manage and launch other FF user profiles as separate browser instances.
It works fine on my Windows 7 system and should also work on Mac OS X systems and Windows 8.x.

Safari's Color Management Policies

Hello, I'm a graphic designer from Germany. I've encountered that Safari can handle color management, which is indeed quite up to date. But Safari always assumes that untagged RGB image data has to be translated with the "Generic RGB"-profile (Apple's system profile, right?) instead of sRGB - the official standard color-profile in the web.
Well, that's not a problem at all if every image has a sRGB profile attached. But the only practical web file format handling ICC is the JPEG (PNG works also but is a bit difficult to use thanks to the png-internal gamma "correction" and his chunk of a sRGB-profile). As a result, I'm limited to the JPEG. But the real problem is not only Safari: Macromedia Flash data isn't color managed too, and there is NO WAY of importing images with color-profiles into a Flash movie. Additionally, no browser (except IE5 for Mac) bothers about color management.
To sum things up: Safari handels images with color profiles correctly, but untagged image data is displayed wrong (sRGB is official). IE5 for Mac DOES emulate a sRGB environment in the browser's window. IE5 displays untagged data correctly, it's using sRGB.
I'm not searching for a plug-in for Safari or anything else. The customers, to which my graphics are sold, don't bother about such a plug-in. They want to use Safari right out-of-the-box. As a graphic designer I have two choices:
First, I only use JPEGs and maybe PNGs with color profiles. Firefox for Mac won't care, but at least Safari can translate colors.
The second is, that I always use untagged data and accept that Apple users just see the web a bit lighter. Images without an ICC profile are way smaller, a good reason to abandon profiles at all (by the way, profiles in the web should be obsolete anyway, browsers just have to interpret every RGB-value as sRGB).
My question is, does Apple plan to change Safari's color management policies to a standard sRGB environment or do I really have to see Flash pages an the like a bit lighter than it is intended to be? What is the best way to handle my images? Attach profiles or leave it untagged, so that Windows users (sRGB) will see it correctly and Mac users a bit lighter?
Thanks for any answers that will come! Greetings, Peter.
iMac 17" Intel Mac OS X (10.4.6)

Welcome to Apple Discussions
Good questions about rendering color on the web. Not being technically savvy when it comes to this type of thing, I'll leave the technical questions for others more versed in web design.
Suggestions to Apple for future versions of their OS and software can be made here.
iMac G5 Rev C 20" 2.5gb RAM 250 gb HD/iBook G4 1.33 ghz 1.5gb RAM 40 gb HD Mac OS X (10.4.6) LaCie 160gb d2 HD Canon i960 printer

Color Management on MAC OS

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