Color cast after exporting a cmyk Illustrator image to tiff

Question

Hi,I am getting a sepia color cast after exporting a cmyk Illustrator image to a tiff. I first convert the photo from color to black & white in Photoshop using Adjustments/Black and White. It is an RGB file in Photoshop. Then I place it in Illustrator and it becomes a cmyk image. I then export the illustrator file to a tiff. Some of the photos in the tiff are a sepia color. Why does it do this and how can I fix this problem? I have a large number of these, so I can't redo them. The tiffs will finally be placed in InDesign so they can go to the printer. They will be printed on paper and as pdfs. Any ideas on the cause and a fix? Will the color cast cause a problem in printing?Thanks,Paul

Theresa J · Answer

Why are you going from Ps to AI to Id? Why are you going from b/w RGB file to CMYK? What is the print output, offset press or inkjet? Does your printer provide color management specifications regarding icc profiles or PDF output settings?

B/W printing is challenging. Mixing CMYK inks to get a neutral gray is not easy. The correct mix changes depending on the press. Printing with black ink only solves the color cast problem, but you can’t achieve real rich tones with just black ink.

We need more information about what you are trying to achieve, and why you are following the workflow you outlined before we can help.

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