Color

Designing for Digital: Rich Black Inks

Often in offset lithographic printing, large black objects are printed using what are referred to as rich blacks. A rich black contains all four process inks: cyan, magenta, yellow, and black. Less frequently it could be a mixture of black and some other ink, usually cyan. Rich black is useful in large solids to produce a “darker” black that prints more evenly on the press sheet than s... »

Color Correcting Images in the RGB Color Space

Color Correcting Images in the RGB Color Space

What is the best tool to use when color correcting images in Photoshop? There are many tools that can be used to make color adjustments to images, and most are capable of giving good results. However, the real issue is not the tool being used to correct color, but utilizing the most appropriate color space for correcting color images. Many designers and prepress professionals will convert images t... »

How Color Separation with GCR Prints More Consistent Color

How Color Separation with GCR Prints More Consistent Color

The ability to maintain consistent color of images during the pressrun actually begins in prepress with the color separation process. Image conversion, that is, converting images from an RGB or LAB to a CMYK color space, is not as simple as a mode change in Photoshop. Considerations must be made for ink, paper, and the condition of the press, to name just a few. Color Separation Options Gray compo... »

Image Color Correction Tips

Image Color Correction Tips

Color correcting images is a two step process. First, you have to assess the image (or figure out what the color problem lies in the image). Then you have to figure out which colors should be adjusted to make the image correct. If an image is too red, should you remove magenta and yellow or add cyan? If the image is too green, should you remove cyan and yellow or add magenta? You can use the color... »