Since digital screens display in RGB i, differences in CMYK values don't always display properly. However, in order to see the difference accurately you will have to print the piece, a four color desktop printer should suffice for testing purposes. Different ink levels will create hot or cold blacks. Play with CMYK values and see what you like best. Take a look at your design or pagination software, is there a default swatch called Registration? Open it up and take a look at the CMYK values, in InDesign it’s 100%, 100%, 100%, 100%.
Rich black has a little of the Cyan, Magenta and Yellow in it as well. A standard black is made up of just the black ink, the K value in CMYK, and nothing else. So what does this have to do with rich black? Well it’s quite simple really. All the images and colors are broken down to Cyan, Magenta, Yellow and Black (CMYK i).Īs each color is laid down over the previous it creates the images and colors you see in your design. To understand rich black we have to understand what goes on in process printing, for those of you who know this, bear with me… When your product goes through the pre-press department it is separated into process colors (unless you have spot colors or are printing in just black and white). We’ve all heard designers talk about rich black but what is it and why should we care? Well it can have a drastic effect on the look of your print and digital design and, if you’re not careful, even the production price.
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