1. To convert Spot Colors and/or RGB colors in a PDF to CMYK, open your PDF in Acrobat and go to Print Production / Convert Colors…

2. For Spot colors, choose Spot Color in the Color type drop down. Ensure the “U.S. Web Coated (SWOP) v2” is selected as the profile. Set Rendering Intent to Relative, leave all other settings at default and click OK, then save PDF.

 

3. For RGB, choose “Any RGB” in the Color type drop down. Ensure the “U.S. Web Coated (SWOP) v2” is selected as the profile. Set Rendering Intent to Relative, leave all other settings at default and click OK, then save PDF.

 

All of your colors should now be converted to CMYK for printing.