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Colour Profiles

1090 Views 14 Replies Latest reply: May 16, 2012 2:00 AM by BDAqua RSS
Hammer Tome Calculating status...
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May 1, 2012 1:03 PM

(Sorry if I'm double posting this issue but as I try to isolate the problem I find I'm in the wrong place)


I've just bought a 2nd hand Iiyama screen and am finding that 1/4 of the internet has used sRGB attached to its images, which is creating a whole new world of fake tan for me. If I save one of these images and apply the monitors colour profile in Preview the image looks normal, I've also tried to calibrate the display both in Apples Color and via the screens controls - all to no avail. The problem appear to be with the OSX colour profile for the screen? Does anyone know how to override one of these? - and yes I've tried calibrating the current profile and using as many other available in the displays control panel as the OS supplies


Thanks for any thoughts on the mental conundrum

Mac OS X (10.4.11)
  • BDAqua Level 10 Level 10 (114,685 points)
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    May 1, 2012 2:41 PM (in response to Hammer Tome)

    besides the User iccs in Library...




    I think the OS uses these...



  • BDAqua Level 10 Level 10 (114,685 points)
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    May 2, 2012 3:45 PM (in response to Hammer Tome)

    To find out if it's system wide or user specific, try this...

    Open System Preferences>Accounts, unlock the lock, click on the little plus icon, make a new admin account, log out & into the new account.


    Does it work in the new account?

  • BDAqua Level 10 Level 10 (114,685 points)
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    May 4, 2012 10:00 AM (in response to Hammer Tome)

    Whew, this is pretty strange, never saw this before!?


    Looking at the pic you posted the one on the right looked better, more color & more detail, but then saved the pic to my Mac to have a closer look, cut each side out to have a closer look at the makeup of each one... lo & behold, cutting & pasting the right side made a really guady pic!


    PixMap Info on your whole pic...



    PaxMap Info left...


    PixMap Info Right...


  • BDAqua Level 10 Level 10 (114,685 points)
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    May 5, 2012 8:59 AM (in response to Hammer Tome)

    Are the top pair of your images how the image looks to you in my post?

    Yes, but that's not to say they look the same here as there.

    Thanks for that PixMap grab too, it's a bit disturbing seeing how much colour is being lost and what I can trust with this screen!?

    I suspect the color loss is due to the jpeg compression, that is how jpg reduces size so much, by dropping the number of colors. Is the original a jpg, or a TIFF?

  • rheckle Level 1 Level 1 (0 points)
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    May 15, 2012 8:41 PM (in response to BDAqua)

    I am having a similar problem, except it seems all my pages are going black and white, the worst is print in any form, even the menu bar on the top of my mac same type of machine. When I go to    /library/colorsync/profiles/

        , there are no profiles set up the folder is blank. Is there a way to check the card to see if it is going bad or did someone delete the profiles, this is my moms computer and her 10 yr old grand son plays on it. I did try to repair with colorsync utilites and it said unable to repair and that I had a bad ... can not remember what it said sorry.

  • BDAqua Level 10 Level 10 (114,685 points)
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    May 16, 2012 2:00 AM (in response to rheckle)

    What OS version?


    About the Archive and Install feature, which can give you a new OS, yet preserve your files and settings if you have enough room on your HD...



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