To use the color gray in black and white offset printing, which is used both in the text as a headline and in the context of some other pages, which method is better?

  1. Reduce tint of black color, for example 50% in the desired parts?
  2. Or should I make a copy of the black color and in the settings, set the black percentage to 50 with tint=100 percent?
  • 2
    Hi. Welcome to GDSE. A tint of black is a percentage of black. They are the same thing. Sure some software may differentiate the two, but in offset lithography, they will give exactly the same result - i.e. a 50% halftone.
    – Billy Kerr
    Jun 3 at 11:49
  • 3
    Does this answer your question? Is there a difference between tinting K100 black and using a lower K value?
    – Wolff
    Jun 3 at 15:56
  • Yes, to make gray.
    – Mahsa
    Jun 3 at 22:16
  • Slightly off topic, but one thing about option 2 that may make sense to do (regardless of setting via tint or percentage) is that setting specific swatches allows you to alter the swatch later and have the entire document (and any styles) reflect the change. Compare to having to hunt down each instance where a tint was applied individually.
    – Yorik
    Jun 4 at 15:02
  • What about this? to get the output for offset printing, what settings should be applied in the color putout menu? Part of the pages are two-tone and part black and white? All images are monotone. the monotone images for:two-color pages and black and white, is correct? Does not have two black palettes cause problems when printing? Thanks for the help
    – Mahsa
    Jun 5 at 11:54

I would use a swatch defining the K color to 50%.

In reality, I do not quite understand your second option. And this ignorance on my part is the fundament for my answer. You need to be perfectly clear on what the file is declaring.

If your file is indicating 100% Ink but somewhere else you are declaring that you need this value to be modified, is a potential problem.

Yes, you could use a spot ink, a middle gray for example, but that would be an additional ink. That is one way to interpret your instructions.

  • Means black copy is: c=0, m=0, y=0, black=50. Tint=100. Yes?
    – Mahsa
    Jun 5 at 11:57

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