Printing
CMYK is made up of four colors: Cyan, Magenta, Yellow, and Black. In full-color process printing, CMYK is the standard method for offset printing. In the printing process, CMYK colors are measured by their subtractive/ reflective values; when the colored ink is applied to paper, the surface of the paper reflects some color and the non-reflective (that is, absorbent) color is seen. CMYK colors are obtained by mixing the strengths of each color to produce a new color. The colors are mixed in percentages: 0% represents no color, whereas 100% represents a maximum use of color. Cyan, Magenta, and Yellow combine to create the color, while Black is used to change the shade of the color. Files provided to professional offset printers are always in CMYK format.

RGB color scheme consists of three colors: Red, Green and Blue. These three colors are projections of light that can be overlapped in millions of color-strengths and combinations to create on-screen colors and images. RGB colors are associated with television screens and your computer monitor, but RGB is not used in offset printing.

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