How do I get a grayscale image in a CMYK document?

Grayscale images that are converted to CMYK will have a color shift in the final print. That shift may be green or yellow.

grayscale grayscale
Don’t forget to check the CMYK values of your grayscale image in the final CMYK document. If there are other values than K in your grayscale image, there is a chance that the color will different.

To eliminate all values other than K, use your Channel Mixer (adjustment layer) in Photoshop, then click “Monochrome” and adjust accordingly. Please see the example below:

grayscale grayscale

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