[Scribus] Colour management confusion

[Hal V. Engel]

On Wednesday 14 November 2007 13:35:45 rockbeer wrote:
> Hi there all,
> I'm trying to get to grips with colour management. I thought I was getting
> there, had everything set up nicely, appropriate profiles downloaded and
> applied, everything looking good. I do my image work in photoshop and page
> layout in scribus, and the confusion is about the way they talk to each
> other.
>
> Let's say I set up a cmyk colour in scribus and fill a box with it. So far
> so good.
>
> Now in Photoshop I create a cmyk graphic - a smaller box, filled entirely
> with the same (numeric) colour.

What color space are you using for the cmyk color in Scribus and in Photoshop?  
Are they the same?

>
> When I drop the photoshop image into an image frame in scribus,
> superimposed over the filled box, why does it display in a different colour
> to the underlying shape?
>
> And when I export the page to PDF and fire it up in the PDF reader, the
> colour difference is still apparent.
>
> What do I have to do to get scribus to treat photoshop-generated cmyk
> colours the same as scribus-generated ones?
>
> Please help if you can. I'm sure I'm doing something very obvious wrong.
>
> Thanks.