Possible case of filmic's preserve chrominance not applied in exporting

[kofa (István Kovács)]

I tried to investigate this during the summer, and the conclusion was that most of the software simply clips out of gamut colours:

Colour management - intents

conversion-script.sh.txt (997 Bytes) After the discussion in Comparing filmic color science v5/v6 and GitHub issues/discussions like https://github.com/darktable-org/darktable/issues/11777, I’ve decided to check what darktable, applying the output profile – using its own colour management – via LCMS2 LCMS2 Argyll do when facing out-of-gamut colours (converting an image from a large colour space to a more limited one). I’ve made a simple ‘colour ramp’, going from quite low saturation up to…

Then I think it was @ggbutcher who pointed it out that v4 profiles with LUTs are needed the more advanced mapping modes, but the details escape me at the moment.