Prevent CMYK image colours being shifted

[arnaud-dbu]

When files in CMYK format are uploaded as assets, the colors of the image can look completely different from the original image. I have now converted the image to RGB and everything is fine, but can we adjust the config to avoid this problem?

I found this:
https://craftcms.stackexchange.com/questions/26914/how-can-i-prevent-cmyk-image-colours-being-shifted-when-importing-into-assets

[HannahDeWachter]

Add following to general.php

'preserveImageColorProfiles' => true,
'preserveCmykColorspace' => true,