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Troubleshooting

Legacy Documents with Both RGB and CMYK Objects

I opened one of my old Illustrator files and got a warning that the document contained objects of both CMYK and RGB color. The warning box wanted me to change them, but I was afraid of messing up my artwork, so I clicked Cancel. What should I do?

The Convert Color Mode dialog box is, indeed, formidable. Illustrator now allows only one color mode per document. Here are the guidelines for choosing between RGB and CMYK: If the document is intended for a four-color process printing job, click CMYK and let Illustrator convert your RGB colors. Any colors that were outside the CMYK gamut (and would therefore not be reproduced accurately by the four-color process inks) are converted to the nearest CMYK color. If you don’t plan to use the document in a four-color job, select RGB. Because virtually all CMYK colors fall within the RGB gamut, no conversion is necessary.


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