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Reading ProRes4444 Quicktime between AE CS5.5 & Nuke 7.0v8 produces different color results

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Please read this first.  THIS IS NOT A GAMMA ISSUE!  I am well aware of the difference between RGB v YUV & 0-255 v 16-235.  It is not a RGB v YUV problem or a 0-255 v 16-235.

 

I am experiencing a noticeable color shift within highly saturated files.  I am specifically noticing a difference in REDs.  At least witin my current project.

 

Files are Alexa C-Log.  Edited within FCP.  Graded by BaseLight within FCP.  Comped within NUKE.  Titles added within AE.  Sent back to FCP timeline. 

 

Here is what I cannot explain.  I can roundtrip the file within Nuke.  I can Read a ProRes4444 file which I can then render out as multiple formats, i.e.  QT ProRes4444, EXR, TIFF, DPX.  I can bring those files back in and create a difference matte which produces pure black (well close enough, small differences in gamma when elevated astronomically).  So apples to apples, color space matches, gamma matches.

 

Now when I bring these rendered files into AE the image sequences display a different color than the ProRes4444 QTs.  ALL the image sequences match and ALL the ProRes4444 match.  I have tried creating a project with an unmanaged color space as well as a traditional rec709 project color space.  I have also tried intrepreting the PR4444 files different color profiles.  NO amount of variation will allow the PR4444 files to match the image sequences.  I am partial to image sequences, BUT, ProRes files have become standard file types and I would like to resolve this issue.

 

Any thoughts?

 

I have tried this:

 

http://blogs.adobe.com/aftereffects/2009/12/prores-4444-colors-and-gam ma-s.html

 

and this:

 

http://blogs.adobe.com/aftereffects/2010/05/prores-4444-and-prores-422 -in.html

 

Please observe . . . .

 

Sh510_ProRes4444_QT_Color.jpgSh510_ImageSequence_Color.jpg

 

TIA

 

-M


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