On Tue, Mar 22, 2016 at 11:31 PM, J. Liles <malnour...@gmail.com> wrote:
> A little more information... Here are two screenshots showing the color
> picker results for the central area of the DNG and the PNG freshly exported
> from it:
>
> http://imgur.com/a/dnIxF
>
> The DNG shows an RGB value of 65,44,42, while the export shows a value of
> 58,46,42.
https://redmine.darktable.org/issues/10389
Color picker works in _display_ color profile, so you need to set
display color profile
to sRGB if you want to be able to somehow compare those values.
Also, splittoning is also applied in rgb colorspace, so in darkroom -
in display color space.

>
> Any ideas as to what could cause this discrepency?
>
> I repeated the same experiment on an image without split toning or any other
> modules active and the results also differ, so I no longer believe that the
> problem is specific to split-toning, although that did make it more
> noticeable.
>
> Here are the numbers for the image with no modules: 34,36,38 for the DNG and
> 36,33,42 for the PNG.
>
> FYI, I don't think I mentioned it before, but all of this this applies
> regardless of whether sRGB softproofing is enabled when viewing the DNG.
Roman.

>
>
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