Yet more colour space confusion

[Pat91]

See this interesting discussion :

Colour Space question: Which colour space is PhotoLab using as its "working space"?

So the internal color working space of DPL is Adobe RGB. That is, the RAW data are converted to this color space. I will duplicate here the answer I made to Wolf in the thread mentioned above because it’s more adequate to discuss this issue here… I’m really wondering why Prophoto was not chosen instead of Adobe RGB ? Of course, we do know that most output devices are unable to display all the colors of the Prophoto workspace. That’s not the problem. However, computations made in a wider color s…