>>>>> blue colors in the raw files of my Canon 700D are turned into much darker >>>>> blue or purple >>>>> in darktable when applying the usual corrections (sharpen, orientation, >>>>> base curve). The >>>>> jpg files produced by the camera show a blue which is much closer to the >>>>> real color. >>>>> Is this a known problem? What Is the best way to correct this? I have the >>>>> impression that >>>>> this does not occur in rawtherapee. >>>> >>>> Yeah, this problem has been present for quite some time. I see it in shots >>>> taken with my Canon 60D >>>> but not in those taken with my 5d3. It's cased by the input color profile; >>>> try changing the profile >>>> from "enhanced color matrix" to "standard color matrix" or even "rec2020". >>>> >>>> The ultimate solution is to profile your camera using a color target: >>>> >>>> https://encrypted.pcode.nl/blog/2010/06/28/darktable-camera-color-profiling/ >>>> >>>> Darktable used to accept these custom profiles for inclusion in the main >>>> project, but this is >>>> currently not happening pending a rework on the way the input end of the >>>> pipe works (though I don't >>>> remember the details). None of this stops you using your own custom >>>> profile, though. >>> >> >> Thanks for your information. I've tested different input color profiles but >> I still have >> the impression the blue is too saturated. >> Is there someone with a Canon camera who would share their optimised color >> profile or >> darktable style? >Have you already tried setting "gamut clipping" in "input color >profile" to "linear Rec2020 RGB"?
>https://www.darktable.org/usermanual/ch03s04s03.html.php#d0e7524 >> Thanks also for the hint to try RawStudio profiles. >> Regards, Gerd >Roman Hi, yes, I tried Rec2020 RGB with gamut clipping but now all colors look rather pale. I think that the colors in the standard color matrix look good except the blue being too dark. Regards, Gerd ------------------------------------------------------------------------------ Site24x7 APM Insight: Get Deep Visibility into Application Performance APM + Mobile APM + RUM: Monitor 3 App instances at just $35/Month Monitor end-to-end web transactions and take corrective actions now Troubleshoot faster and improve end-user experience. Signup Now! http://pubads.g.doubleclick.net/gampad/clk?id=267308311&iu=/4140 _______________________________________________ Darktable-users mailing list Darktable-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/darktable-users