I have some problems with colours when changing colour format. From time to time i have to adapt designs made for web to print or the other way around.
I'm used to programs like photoshop that do a fairly good conversion so that the colours look and print mostly the same after conversion. When I do it in affinity publisher the colours are all over the place. The results are the same whether I just export in another colour format, convert the document or paste it into another document with another format.
This file was created in RGB:
This is what it looks like when i change to CMYK:
...as you can imagine the final print from this is not close to what I want.
I have done a bit of testing and the results are similar. I first thought that it was worse when working with transparencies but even flat colours are changed more than I would expect. Some blending modes are worse though: see the blue shape that is almost black in the CMYK version.
Is there any way to get better results or am I just doing the wrong somehow? I can export as an image and the convert in PS but that is not optimal in any way.
I hope you can help