Keynote Color Space Mismatch?

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Level 1

6 points

Keynote Color Space Mismatch?

hello --

i am ecountering this strange keynote behavior. when i place a png file either as a background to a slide, or simply drang and drop it into keynote the rgb values of the image are changed. this happens despite the file having srgb embedded as a profile. this leads to somewhat inconsistent colors between my deliverables.

in keynote, when i use the sampler of the color palette i can tell that it uses "device rgb" upon placing the image. as an example:

the color (srgb) 191/189/174 gets converted to (device rgb) 203/200/188

does anyone understand what is happening here or how i can ensure that the image gets placed/imported properly?

any leads are greatly appreciated.

thank you in advance.

p.

===

as a small addition as i keep playing around with this issue. i just discovered that a plain copy & paste from photoshop straight into keynote seems to preserve the rgb values. this is very strange. see image for an example. left one is dragged into keynote, right one is the correct color just pasted into keynote.

Message was edited by: Patrick J

Posted on Jan 27, 2013 6:18 PM

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Answer 1

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Gary Scotland

Level 7

25,856 points

Jan 28, 2013 3:16 PM in response to Patrick J

when i place a png file either as a background to a slide, or simply drang and drop it into keynote the rgb values of the image are changed.

This is happening because you dont have a colour managed workflow.

Keynote will use which ever profile has been set in System Preferences > Displays.

For example, if you have set Display settings to Adobe RGB and you place an sRGB file in Keynote, the image file will be changed from sRGB to Adobe RGB, therfore the colour values will change.

The rule for using images in a colour Managed workflow is to use the same profile in the host application

(Keynote, Photoshop, Preview) as the image file has, or convert the incoming file to the hosts profile.

So if you have mostly sRGB images, while working in Keynote, change the Display setting to sRGB.

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