: Can I display CMYK in RGB format easily? When designing for print I obviously use CMYK, however I'm always a bit unsure of how colours will turn out because monitors work on RGB so the colour

@Jessie844

There is a chance that you are not embeding the colour profiles on your file, and you are not working in a controled color management process. If things are running smoothly in all the process you should have a decent preview of the final look.

If you see any neon green on the exported file you have thoose settings turned off. The green is the best color to test this.

1) Work with the correct profiles in your Ilustrator program.

2) Export a medium resolution png file with the color profile embeded. (This will give you an extra saftey that the client just have a sample, not the final work for print before all the project is finished)

3) Make some tests to see if your client have some minimum quality in the monitors he is reviewing the work, but any decent browser or image viewer should read the color profile.

*The pdf file format does use this color profiles accuratley, but not all applications to read it do it well.

4) Tell your client that colors can change from monitor to monitor or device. In some next step send a printed sample in good quality.

5) If you use a pantone color that will give you a better way to confirm the color. Show the client the pantone guide too.

You have to be sure that you are seing the correct colors, but to confirm that with your client is more difficult. You should use this tools www.colormunki.com/ to control the first part of the process.

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@Chiappetta793

As far as I know, you can't. The two colour modes are so fundamentally different that it's impossible to accurately display one in the other. Besides, even if you calibrate your screen to have Adobe's CMYK simulations approach the actual printed product as closely as possible, your customer sure as anything won't. Not even their iPhone's.

And that's not even broaching the subject of pdf previewers (even the best there are) being horrible at best at displaying print-ready pdfs.

Personally, I always go for experience: I have seen lots of my work both on screen and printed, and I have an inkling (pun intended) of how something's going to appear when printed. That'll have to do. You have the experience, and they hired you for that.

It is a very good move to educate your clients in this aspect: warn them that an on-screen preview, is never an accurate preview of printed matter. No, printing it on their desktop printer isn't either. They will have to trust your expertise and experience on this one.

If they really want exact colours, have them supply the colour to use. Be it in C, M, Y and K percentages or as a Pantone colour number. If they don't know what you're talking about (and most of them won't), you can patiently tell them that those are the only tools available for a 99% accurate colour reproduction. If necessary, visit them with a Pantone or CMYK colour book and pick a colour from there.

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