Why is black color needed for color printing?
1. To reduce the color deviation on neutral colors (grayscale) The imaging method used in the printer is CMYK color system (C-cyan; M-magenta; Y-yellow; K-key). CMYK color system belongs to subtractive color system, that is, the more different colors are superimposed, the darker the color. Eventually CMY will be synthesized into black. But with current technology, CMY cannot be synthesized into pure black, and the final synthesized color is dark gray or dark brown. Therefore, when using color ink to synthesize black, you need to add black ink to make the color more pure. In the same way, when you want to print a dark color, in addition to adding […]