Working with color
Many print jobs are printed using either spot or process color printing methods. Spot color uses a separate ink to print each color in the publication, which can allow accurate color reproduction. However, spot color cannot easily reproduce the thousands of colors in a photograph, because it would require too many separate inks. Process color reproduces a wide range of colors using just four standard inks, by combining the inks in varying proportions on a page. When you want to reproduce photographs or other art with many colors, process color is more economically feasible than spot color, but not all colors can be reproduced accurately.
Printing overlapping colors on press
Most color printing inks are partially transparent, ...
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