It 'a method of color particularly useful when the colors are a lot of play, and it becomes imperative for the printing of pictorial and photographic images, where the color tones are manifold. Method of four-color can be achieved by screen printing, pad printing and digital
ADVANTAGES: the combination of Cyan, Magenta, and Yellow, with the addition of Nero makes it theoretically possible reproduction of any color on a white support
LIMITS: There is no matching color 100% with all spot colors (Pantone ®), although there is the chance to emulate it with some effectiveness. You can customize only the objects and background materials with strictly white or at most "cream".
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Printing techniques 
