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@duckyfella Unfortunately, it's not. A human (artist decision) has to be done.

For example, you can obtain a Black by overlaying Cyan+Magenta+Yellow. But they don't overlap perfectly because you print in pass.
So the industry came up with a Black ink cartridge, this one is economic too (better than three pass of CMY). But you can also do "rich black" by mixing Black ink and Cyan at 60% and manage this way many 'mix'.

Color on screen doesn't work the same way.