[Gimp-user] CMYK Out of Gamut due to GIMP version-- or my PC monitor

[recoveringartist <forums gimpusers com>]

> The best advice is, if CMYK is required, start and finish using CMYK.
>
> Since that is not possible using GIMP, convert the color space using
> an application such as Krita and export the converted cmyk jpeg.
> screenshot https://i.imgur.com/pxhxvOK.jpg
>
> The attached is comparing the CMYK with the original RGB and those
> yellows (gold) & white (silver?) are going to be most of the problem.
>
> You do not give OS but if linux or Win and Gimp 2.10.x then worth
> looking at the Cyan application, can be used as a Gimp plugin.
>
> A short video demo:  https://youtu.be/1A0Aaoy1mhQ
>
> (Nice cover, but being a cynical old civ-eng, a lapsed architect is
> the best architect.)

Thanks for the comparison image.  Going by that (though you don't state it
outright), the way-out-of-gamut problem is with my PC's monitor, and I won't
have to fool around with the RBG file too much to get something acceptable in
CMYK.  You mention the yellow and white:  The ironic thing is that on that bad
proof the yellows and whites were the only colors left.  All the blues and even
the blacks showed up in out-of-gamut magenta.

I've heard of Krita and I'll download it and see if it will do the trick.  Is
there anything in particular I need to know about it?  The essential thing is
that the final file has to be in PDF, and not just any PDF, but  PDF/X-1a:2001
or PDF/X-3:2002.  But I'll climb that hill when I get to it.

(Incidentally, I did mention the OSs--- Windows 10 on the PC and Windows 7 on
the laptop.  Does that affect anything?)


-- 
recoveringartist (via www.gimpusers.com/forums)