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= Choice of Colors =

Here you can choose different colors (inks), which will be used to print the document. This choice is made both sides.

 Warning : the printing operation was applied before folding, so for folded products like folder or file, it may be difficult to presume the finals back and front of pages. If you don't known how the product will be folded, you may choose the same colors option for back and front.

== Primary inks  == 

Cyan, magenta, yellow and black are the primary colors, with all four colors, it is possible to create most other color, we talk and printing four colors. 
However, for full tone, a large area with one color or a specific color (blue of EU flag, colors of a company logo), you may use a specific colors by using the PMS (see below).
== Pantone Matching System. ==

Special tone for logos, a flat, and so on. Indicate the reference (PMS) or a simple letter in the field provided for that purpose

== Cases of Multi-versions ==

For multi-versions (same paper, same colors, same size, texts and / or different graphics), you must specify the colors for which there is a change in content. For example, in several languages or just black text change, we must check the black color changing.