Hi Madko, and welcome!
Lovely image I think. I see what you mean about the colours feeling ‘off’ when opened in darktable. Usually, the darktable default colours are actually more accurate, but sometimes less pleasing, depending on taste.
I’ve usually found that some tweaks to the channel mixer in color calibration are the best way to sort this kind of thing out, albeit somewhat complicated.
However - the current master has the new RGB primaries module that (I think) will be in dt 4.6 when released. This seems like the perfect use case, so I gave it go using the latest windows build from here: darktable windows insider program 11/5
The first is without any channel mixer or primaries adjustment, the second is tweaked to taste in rgb primaries… a[art from that, both are the same, with default sigmoid workflow and minor adjustments.
MJD04337.ARW.xmp (13.8 KB)
P.S. you probably know already but you can load my .xmp file via the button in lighttable - except that unless you are running a recent build of 4.5 the primaries module doesn’t exist…
Edit… another try, this time using a second instance of color calibration as channel mixer, so this xmp should work on any recent dt.
MJD04337.ARW.xmp (17.3 KB)