[R] RGB -> CYMK, with consistent colors

[Martin Møller Skarbiniks Pedersen]

On Sun, 29 Nov 2020 at 14:26, Derek Jones <gmane using knosof.co.uk> wrote:

[...]

> I can regenerate the images, and explicitly specify cmyk.  But using:
>
> pdf.options(colormodel="cymk")
>
> does not change anything.  The colors look remarkably similar to
> those produced via the ghostview route.

[...]

> Does anybody have any ideas for producing cmyk images that have
> the same (or close enough) look as the RGB?

Have you tried printed a few pages in CMYK?

A monitor is based on mixing light using Red-Green-Blue. So it is not
possible for the monitor to show
CMYK which must be printed on paper to view correctly.

Regards
Martin

	[[alternative HTML version deleted]]