Nadia Petrov
Nadia Petrov Customer Education Writer at 4OVER4.COM
Question

What does '4/0' mean when you quote printing on magnets or other products?

Answer

The two numbers in a printing spec describe how many ink colors are used on each side of the piece. The first number is the front, the second is the back, and 4 stands for full-color CMYK. So 4/0 means full color on the front and nothing printed on the back.

NotationFrontBack
4/0Full color (CMYK)Blank
4/4Full color (CMYK)Full color (CMYK)
4/1Full color (CMYK)Single ink (often black)
1/0Single inkBlank

When you request a quote, stating the color spec this way removes any guesswork about whether the back is printing.

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