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Just dropping in a Go version of Mixbox.
It’s basically a full rewrite of the core logic, same RGB-to-latent conversion, same polynomial stuff, same LUT usage. You can load the LUT from a file (lut.dat) or use the base64 string like in the Python version.
Also added a little demo (main.go) that makes a gradient.png comparing Mixbox mixing to linear RGB. Should make it easier to mess around and see the difference.
Let me know if there’s anything you’d like tweaked. Happy to clean it up more, just thought this might be a nice addition 🙂