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Thread: iPad, Dropbox and color differences

  1. #1
    Join Date
    Aug 2007
    Location
    Cape Town, South Africa.
    Posts
    2,067

    iPad, Dropbox and color differences

    Hi,
    When I upload paintings via Dropbox onto my PC I notice a considerable difference in color values

    I have ArtRage on the iPad2 and at first I wondered weather this was because I have my brightness cranked down a bit (easier on the eye + battery) but I checked that and even with the screen on bright the colors on the iPad in ArtRage look right.

    But then uploaded to ArtRage3 on my PC, they look all wrong - like waaay too garish which looks off especially in portrait skin tones.

    I don't have any other issues with my monitor on my PC as all colors look right.
    Has anyone experienced this issue and what could it be causing this considerable change in color?

    Thanks,
    R
    Twenty years from now you will be more disappointed by the things you didn't do than by the ones you did. So throw off the bowlines. Sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. (Mark Twain)

  2. #2
    Join Date
    Mar 2006
    Location
    New Zealand
    Posts
    3,140
    The colour change is due to the screen calibration on the iPad not matching that on your desktop computer. The internal colour values stored in the painting don't change, but the machine you're looking at them on interprets them in a different way. If you have Studio Pro you may be able to adjust the colour values back to the range they appeared to be on the iPad using the Color Adjustment system (other applications can also do this if you have exported a non PTG copy of the painting).
    Matt
    ArtRage UI
    Ambient Design.

  3. #3
    Join Date
    Aug 2007
    Location
    Cape Town, South Africa.
    Posts
    2,067
    Thanks Matt,

    So which color would be 'correct' on which system? - meaning is there standard or is it just as arbitrary as which ever system is currently viewing?
    Twenty years from now you will be more disappointed by the things you didn't do than by the ones you did. So throw off the bowlines. Sail away from the safe harbor. Catch the trade winds in your sails. Explore. Dream. (Mark Twain)

  4. #4
    Join Date
    Mar 2006
    Location
    New Zealand
    Posts
    3,140
    It depends entirely upon the system, there is no 'correct' colour as such. All displays translate internal digital colour values to a displayed result on screen, and how they do that depends on their calibration. Some applications on your desktop computer will offer calibration options, but in the end it's entirely arbitrary.

    The same goes for printing: If you screen isn't calibrated the same way your monitor is the results when printed will look different to the screen representation.
    Matt
    ArtRage UI
    Ambient Design.

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