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Library: Creative Design

 

Add color without the extra 4-color printing costs using duotones

Added on Monday 15th of February 2010 04:29 am EST

 

A great way to enrich grayscale images with a tint of color is to convert them to duotones in an image-editing application, such as Adobe Photoshop. When creating a duotone, black is typically used to fill in the shadows and midtones in the image and a second spot color is used to fill in the highlights. As shown in FIGURE A, a duotone often looks like a four-color image, but it only requires two ink plates, so the cost isn’t as prohibitive as four-color printing.


Duotone dynamics
There are two very important variables to printing duotones: the inks you use to create them and the format in which you save them. Duotones need to be in PSD, EPS or DCS 2.0 format for InDesign to place a...