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Problems with Mac colour profiles

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richardsim7    118

Screen+Shot+2011-09-14+at+23.42.42.png

Chrome is showing the correct colours but finder/preview etc are ignoring my colour profile?! :blink:

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Andre    9

It's the other way around. Chrome doesn't read ICC profiles, so it doesn't colour correct at all. So what you see in the finder are the correct colours.

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richardsim7    118

So...why would my calibration software give me incorrect colours? :s

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richardsim7    118

Firefox shows the same colours as Chrome, and as far as I'm aware that supports ICC profiles, therefore Chrome supports ICC profiles? :s

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Andre    9

Does the photo have an ICC profile or was it converted to sRGB?

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richardsim7    118

Think it could well be sRGB...like every other photo on my computer :|

Also my monitor (HP LP2475w) is wide gamut, if that has anything to do with it??

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kalkal    564

Try comparing Finder to safari just to test. Safari actually loads ICC profiles. If they're both the same, then you don't have a problem after all :)

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richardsim7    118

You tell me :p

Screen+Shot+2011-09-15+at+15.59.03.png

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kalkal    564

They both look the same to me but I thought it might be easier to compare the same photo in quick look and safari as you did in the other example...

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Andre    9

Since when do screenshots have ICC profiles?

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Andre    9

Do you see any major difference here?

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kalkal    564

Do you see any major difference here?

Test in safari, for the colour profiles to be used

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richardsim7    118

Yes, in Chrome

Image 1: Super saturated

Image 2: Normal

Image 3: Desaturated

Safari:

Image 1: Desaturated

Image 2: Identical

Image 3: Normal

What does this mean? :p

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Andre    9

Means Chrome doesn't colour correct. Which also means that sRGB images viewed on a wide gamut (AdobeRGB) monitor appear oversaturated. Exactly what happens with your image. Second image appears normal because you are viewing an AdobeRGB image on an AdobeRGB monitor. The 3rd image appears desaturdated because ProPhoto colourspace is much larger than AdobeRGB, so colours are clipped when ICC is not respected by the program.

The reason why 3rd image looks different than the other two in Safari or any browser that respects ICC, is most likely because I made it very saturated. And apparently AdobeRGB, let alone sRGB, can't compute that range of colour. Normally any other 3 images would look exactly the same or with very tiny and unnoticeable differences.

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richardsim7    118

So I should recalibrate my monitor to sRGB standards and everything will be ok?

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richardsim7    118

It's weird, calibrating in windows is perfect, why is the mac being so difficult?

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Andre    9

I wouldn't suggest putting your monitor in sRGB as it will defeat the whole purpose of a wide gamut monitor, which is being able to display more and richer colours in right situations (ie Lightroom).

Stick to AdobeRGB and output your images in that same colour space as well. If you really need to output JPGs for people who don't have profiled monitors then convert (not assign) to sRGB. Converting however degrades colors, so stay away from it unless you really need to.

Also read this: http://www.gballard.net/psd/assignconvert.html

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richardsim7    118

Right, so basically, because my monitor is wide gamut, any profile I create will be "wrong" and make stuff look washed out. What I can't figure out, is if I calibrate and create a profile using apple's build in thing, the colour is great and "normal" (presumably within the sRGB spectrum) - but this doesn't provide accuracy that my hardware calibration would.

So how can I get my Spyder3 to make a profile that's sRGB? :s

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