This will convert your RGB to CMYK color mode. •Choose Edit>File>Export and you will get a Save As dialog. •Set the Format drop down menu at the bottom of the dialog to Adobe PDF (Print) and click Save. •The next screen will let you choose a PDF preset or alter a selected preset. CMYK is the industry standard for printing because of the science behind the color space and the substrate. Ink on paper must use the CMYK color space to ach InDesign documents aren't strictly calibrated to CMYK or RGB until export. They are a collection of elements profiled to both spaces and it tries to display them as accurately as it can relevant to the working RGB space for monitor presentation. So using RGB space images in the document and exporting as an RGB jpeg shouldn't see massive color 1 Answer. The CMYK gamut fits entirely into the RGB gamut. So, every color possible with CMYK is also possible with RGB. You won't get "clipped" colors moving from CMYK -> RGB. Vice versa is not true. RGB -> CMYK will possibly "clip" colors due to the smaller CMYK gamut. In general, this comes down to how finicky you are about color. Open the flyout menu in the Color panel and click on CMYK. The Color panel stays in whatever mode it started in, or is switched to. This doesn't affect the color mode of the document or the color; it's just a different way of describing the color. . If it is going to converted to CMYK, why would I not want to work in that profile rather than RGB if there are color changes when converted? Hi , InDesign allows you to mix objects with different color spaces and profiles on the same page—if you check the document’s assigned profiles (Edit>Assign The export to PDF/X in InDesign will auto-convert RGB to CMYK based upon profiles. I, personally, always convert PSD files to CMYK for print projects. I do not want to rely on any automatic color conversion. I'd rather see the CMYK and adjust if needed. But this is more my personal preference. There are many users that just use RGB and let Comparing the colors to a CMYK color swatch produced in InDesign for the same value, it would appear that the fill is displaying the color correctly whereas the text is not. But is this really the case? CMYK and RGB are converted using math formulas, such as those found here. Yes, I can see how that would be helpful to have a script that just converts them all. app.activeDocument.colors.everyItem ().properties = {space:ColorSpace.CMYK, model:ColorModel.PROCESS}; Save a copy of your document before, and check everything after running! Also, even if you go to the trouble of converting every object and color in your document to RGB (which really isn't necessary), you still have to use the correct setting in the PDF Export Output tab. The warning you are getting indicates that you have the Destination set to a CMYK profile, which conflicts with your RGB Transparency Blend Space.

how to change color from cmyk to rgb in indesign