Regarding my previous post about split-toning:

I have found a work around that allows me to get the same (visually
speaking) colors in an exported file that darktable shows when developing
the RAWs in a color managed environment.

1) Copy my monitor's ICC (let's call it "foo") profile to ~/.config/
darktable/color/out
2) Open RAW and edit to taste.
3) Set Output Color Profile to "foo"
4) Export to 16-bit PNG
5) Re-import exported PNG
6) Open. Input color profile will be "embedded ICC" (which is really "foo")
and Output Color Profile will be sRGB. Perhaps you can see where this is
going...
7) Export to 16-bit PNG.
8) Re-import exported PNG
9) I now have an sRGB PNG with the same colors as the original RAW, which
is exactly what I would expect to get if I had skipped step #3 and steps
#5-#9, but don't for some reason.

Following this process results in RGB average of RAW: 48,33,28 PNG:
45,32,28, which is close enough that I can't see it visually.

If this process sounds a bit ridiculous to you, then you and I are on the
same page.

Can we talk about what's exactly is broken here and how it could be fixed?

Obviously I would be willing to take the CPU hit of an extra color-space
conversion in export if that's what it takes--much preferable to the above
steps, especially since, AFAICT, there's no 'easy' way to import exports,
making this a very tedious process.

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