Color / Luma Shift - Photoshop Roundtripping

Janis Lionel Huber

• January 13, 2018 15:38

Hi there,

I'm having troubles with roundtripping from C1 to PS: There a slight luma and color shifts. Both Apps are set to 1998 adobe RGB 16-bit. Though the .PSD looks differnet in C1 than in Photoshop? How come? Would I have this problem as well with using TIFF for roundtripping?

Thanks for the help.

Cheers

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  Paul Steunebrink

  • January 13, 2018 16:26

  Not sure what causes this in the first place. Please make sure you set the background color in both programs to an identical grey.
  Regarding the TIFF question: only you can answer by trying.

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  Permanently deleted user

  • January 13, 2018 17:13

  I haven't tried with a psd, but my tiff were perfectly consistent between C1 and PS when I worked with C1 v10. I have v11, but I just retrieved my calibrated display 2 days ago. I will tell you asap.
  I work with a larger color space (I use ProStar) but I am not sure it would have any incidence. Did you check your proof profiles in both applications ?

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  Janis Lionel Huber

  • January 13, 2018 21:40

  most obvious is the change of brightness. When C1 is reading the .psd, it is about 0.05 - 0.1 brighter. The 256 white in PS seems more dimmed, more like if the max white value was set to 254 or 53. Could this be a fault setting in PS?
  
  Furthermore: the .psd & tiff (now I tested both) is more greenish in PS than in C1.
  
  My color settings ins PS: RGB: Adobe RGB (1998) / CMYK: Fogra
  My color settings in C1: Output recipe aRGB 1998 is selected.
  
  Those color shifts are rather disturbing...try it out yourself!
  
  I have the same background in both apps.

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