Suspected flaw in Firefox color 35 management behavior

I hope I can keep this concise, but bear with me if my confusion causes me include some superfluous information. The info below is what, in my view, is necessary for someone else to understand the question.

BACKGROUND:

-NECPA271W range wide-screen configuration double with a standard range Samsung 245BW monitor

-Windows 8.1 Pro 64-bit

-Nvidia Quadro K4000

-The latest versions of FireFox (v35 32 - bit), IE11 (updated 11.0.9600.17498 updated to 11.0.15 32-bit) & before (Ultimate 2015 build 7, used for testing because it integrates the rendering engines of 3 major browsers, IE v 11.0.9600.17496, v 34.05.5464 FireFox and Chrome v39.0.2172.95)

-i1Display Pro (not the NEC SVSensor version), SpectraView II, NEC Multiprofiler & i1 Profiler

-Two monitors are calibrated and profiled. The NEC is calibrated using SVII, but because the software only supports NEC monitors, the 245BW must be done using the i1Profiler software that comes with the Pro i1Display. SVII is able to generate ICC v2 profiles, i1 Profiler is able to v2 and v4 and v4 is recommended. , However, I think that this whole ball is not relevant to the effect that I'm observing.

-J' recently started selling some of my photographs on a site of fine art.  So I started to dig deeper into how these images are read by others and printed later. Images optimized to sRGB for the best possible results to display on a widely varied base Viewer will not give the same results as images that are soft-soundproofed and optimized for a specific combination of printer/ink/media. This is especially true of my images which a tend to lean in the direction of being more highly saturated & more wide gamut

-J' have been exhaustive over the info here COLOR MANAGEMENT PHOTOSHOP CS6 CC based color management ICC profile color theory spaces calibrated monitor professional... & http://cameratico.com/tools/web-browser-color-management-test/ , among many others here.

I had reached a point where I thought I knew things pretty well, but now I'm not sure what yet, here's the problem:

I followed the advice and info on how to configure FireFox to color management (value 1 with associated monitor profile) which allows manipulating images unmarked and the elements of the web page, http://cameratico.com/guides/firefox-color-management/. After restarting Firefox with configuration of updates, I'll be back on trial in http://cameratico.com/tools/web-browser-color-management-test/ the last two tests there are designed to show a) how much more wide range of your screen that is sRGB, and b) how the browser handles elements and images not tagged.

The behavior I see is different from the behavior, I expect! Specifically, setting FIrefox to value of color management 1 and say things to my monitor profile causes Firefox to display the sRGB tag images as if they were not the tag. 2/no default monitor profile, I see a difference between display sRGB tag images and the image labeled ProPhoto RGB or the sRBG marked and unmarked elements CSS. I think that changing the value 1 with monitor profile should have no impact on the display of the images marked and elements, and still spend ONLY causes a change in the display behavior of images Tags should not influence, and I can see is no longer a difference between the different images because everything is fully saturated

Marked A screenshot showing the behavior of comparison between different browsers and applications would probably be worth more that the proverbial 1000 words, I'm new here & don't understand this part yet, but this will display as is while I'm working on it.

Can someone reproduce the behavior that I observe? Is someone spot a mistake in my thinking?

TIA

Randy

* EDIT - I have annotated a screenshot comparing the results in 4 browsers. The screenshot has a profile embedded Adobe RGB that best represents the effects and changes I was / am seeing but cannot be kept if posted here. It may be better to download and view in CS6 order to is not to introduce any additional confusion arising from the browser YOU are using may be :-) If necessary full resolution of 2560 x 1440 version is available, but implemented nationally to meet the limits of 900 x 900 forum makes the text unreadable. Can anyone suggest a way to provide the file kept full resolution with the embedded profile?

Using Firefox 35.0 and a wide range of Eizo CG246, I see no problem in the test browser CM (I had to desaturate the gamut test so that he can survive the sRGB conversion, but the Green is not yet fully in sRGB. "But it's just an illustration in any case):

So. A couple of things from the start:

Firefox will use the profile for the main display. It does not support a configuration dual monitor. If you move FF to the secondary display, it will always use the profile of the main screen.

You need not tell Firefox to your display profile. In fact, you don't not probably to avoid any problems. Like any other application of color management, Firefox takes up profile defined as system by default at startup. No user intervention required. If you change the default system, Firefox needs to be restarted to load the new profile.

This is true for both mode 1 and mode 2. They both use the display profile, but mode 1 assigns sRGB to any untagged material. Mode 2 just past untagged straight by unmanaged. The mode 1 is to correctly display the documents not marked even on a range wide screen (unsaturated). Material tagged will be managed properly in both modes. Mode 0 is one that is completely non-managed and does not use the display profile.

---

All that being said, I noticed that Firefox has a few small problems with display LUT profiles. It is not immediately noticeable, but if you watch that blacks are a bit clipped. With profiles of matrix does not occur this clipping and FF absolutely identical to Photoshop poster. I didn't notice any problems with the v4 vs. v2, although v4 support must be enabled manually.

Tags: Adobe Developers

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