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Two-Color Printing with InDesign CS4

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With the cost-cutting mindset in today’s economy, many artists are being asked to do the best they can with two-color printing instead of four. This tutorial discusses the ins and outs of creating mixed ink swatches in InDesign—a feature that makes two colors look like so much more.

1 SET UP A NEW DOCUMENT
If you’d like to follow along as I go through the steps involved in creating mixed ink, start by setting up a new document. Open InDesign and choose File>New>Document and click OK. A default, one-page document should be fine.

InDesign Tutorial

2 OPEN THE NEW COLOR SWATCH DIALOG
To use mixed ink, first you need to create at least one spot color to be used as part of the mix, or the mixed ink options will be grayed out. To create a new spot color, start by clicking the flyout menu at the top right of the Swatches panel (Window>Swatches) and choosing New Color Swatch.

InDesign Tutorial

3 CREATE A NEW SPOT SWATCH
In the resulting New Color Swatch dialog, choose Spot from the Color Type drop-down menu. For the purpose of this tutorial, select PANTONE Solid Coated from the Color Mode drop-down menu, then enter 300 as the PANTONE color, and click OK to add it to the Swatches panel. If you’d like to create more than one spot color, click Add instead and then click Done when you’re finished.

InDesign Tutorial

4 MIX A CUSTOM COLOR
To get started with mixed ink, go back to the Swatches panel’s flyout menu and choose New Mixed Ink Swatch. In the dialog that opens, click the empty checkboxes next to Process Black and PANTONE 300 C. Lower the Black value to 50% by clicking-and-dragging the slider under the tint ramp or by entering an exact value in the percentage field. You’ll see a preview of the color to the upper left of the dialog. Name your swatch and then click OK to create a swatch from this mixture, or to add more than one mixed swatch, proceed to Step 5.

InDesign Tutorial

5 MIX ADDITIONAL SWATCHES
To add more than one mixed ink swatch, click the Add button instead of OK. Change the tint value of the two colors and click Add again to add your second color to the Swatches panel. You can press Add after each new color you mix and then click Done when you’re finished. Now that you know how to create an individual mixed ink swatch, let’s take a look at how we can create a whole bunch at one time.

InDesign Tutorial

6 A GLOBAL APPROACH TO MIXED INK
A great choice when you’re first developing the look for a two-color design is to start with a mixed ink group. This allows you to see the amazing potential of the two (or more) inks you’d like to use. To follow along, create another new document. Like the manual approach to creating mixed ink mentioned above, New Mixed Ink Group is grayed out when you click the Swatches panel’s flyout menu unless you have at least one spot color swatch available. So set up one or more spot swatches as you did in Steps 2 and 3.

InDesign Tutorial

7 CREATE A WHOLE WORLD OF MIXED INK FAST
To create a lot of mixed ink swatches in seconds, select New Mixed Ink Group under the flyout menu of the Swatches panel. In the dialog that opens, start by choosing what colors you’d like to use by clicking in the checkboxes to the left of your new spot color and Process Black (or a second spot color).

InDesign Tutorial

8 GROUP DYNAMICS
Next, you have to determine the parameters of your mixed ink group. To keep it simple, set the Initial percentage of Black at 5%, the Repeat (or the number of additional percentages) at 9, and the Increment of each Repeat at 5%. Then for your spot color, set the Initial percentage at 10%, the Repeat at 9, and the Increment of each increase at 10%. Note: If the Repeat value is set too high, you’ll get an error message because there can’t be more than 100% of any particular color in a Swatch.

InDesign Tutorial

9 SNEAK A PEAK AT THE WHOLE GROUP
If you followed the steps above, you should end up with 100 swatches (one initial percentage and nine repeats for each color). But what will they look like? To take a look at the results of your settings, click the Preview Swatches button. If you’re happy with the colors, name your group at the top of the window and press OK to add the entire mixed ink group to the Swatches panel.

InDesign Tutorial

10 GET GRADIENTS IN THE MIX TOO
You can also create mixed ink gradients by selecting New Gradient Swatch from the flyout menu of the Swatches panel. Then, click on one of the color stops under the Gradient Ramp in the dialog and choose Swatches from the Stop Color drop-down menu. Now you can select a mixed ink swatch or spot color for each of the color stops.

InDesign Tutorial

11 HAVE YOUR FILL (OR STROKE) OF MIXED INK
Like other swatches, mixed ink can be used to fill or stroke objects. Simply select the object with the Selection tool (V), activate either the Stroke or Fill by clicking on its respective icon in the upper-left corner of the Swatches panel, and select a mixed ink swatch. Even better, click-and-drag the swatch to either the fill or stroke of an unselected object to apply your mixed ink. You can also colorize placed grayscale or bitmap mode PSD or TIFF images by selecting the image with the Direct Selection tool (A) and applying the swatch.

InDesign Tutorial

12 CIRCUMVENTING MURPHY’S LAW
As Murphy put it, “If anything can go wrong, it will.” In light of this, what if you’re nearing the completion of a two-color project and a decision is made to use a different spot color? Do you have to redo the swatches throughout your entire document? Thank heavens, no! Simply create a new spot swatch. Then, select your old spot color in the Swatches panel and click the Trash icon at the bottom of the panel. In the resulting Delete Swatch dialog, choose your new spot color from the Define Swatch drop-down menu. This new spot will replace the old spot throughout the document, including all mixed ink swatches.

InDesign Tutorial

MIXED INK REALLY DOES MAKE A DIFFERENCE
In the past, my biggest issue with two-color projects was that they always had that “two-color look.” Years ago, my first opportunity to use mixed ink was in a newsletter produced by Aggie Perilli Communications for The Arc of Somerset County (www.thearcofsomerset.org), an amazing nonprofit organization in New Jersey that helps individuals with intellectual and developmental disabilities.

I was floored by how much more I could get out of two colors by using mixed ink in InDesign. Recently, we started producing this award-winning publication using low-cost digital printing, so we could take advantage of color images in the design. Many of the mixed ink swatches in the original two-color design were simply converted to four-color process by double-clicking on the “Group” swatch above all the mixed ink swatches in the Swatches panel and checking Convert Mixed Ink Swatches to Process.

InDesign Tutorial

15 Comments

  • Vivek says:

    Excellent way to get remarkable results at lower input cost!!!

  • Don says:

    Thanks easy to follow and informative.
    Don

  • nr says:

    It was really helpful. I’m trying to switch from Quark and couldn’t see how to find spot colors. Thanks! (Quark was so much more intuitive.)

  • Linda Massey says:

    Thanks! I’ve had two color jobs and have never used this process of creating the colors. This is much easier than what I did.
    Linda

  • fajoui says:

    thanks you

  • Emmanuel Pravia says:

    Interesting for graphic artist & print media designers

  • Mamallan says:

    Thanks! Worth reading it.

  • ivan says:

    this is gold, thanks a lot!

  • buddika says:

    Plz send how setup indesining pages and printing setup.

  • David Green says:

    Regarding the “decision is made to use a different spot color” part of this: you don’t have to do anything really. Just tell your printer for example “Instead of using black and PMS 215 inks, use black and PMS 185” instead. Changing the swatch in InDesign won’t change how the file separates out—the plate that would have said PMS 215 would just say PMS 185. Save yourself the extra work and possible hassles, for example if you’ve done duotones you’d need to go back into Photoshop and redo them. Just have the printer use a different ink. We did it in our printing company all the time.

    • Trish says:

      David,

      In addition to Jeff’s reply, as the designer, you would want your client to sign off on the final changes before sending it to the printers anyway. The last thing you want is to be left holding the baby.

      Call me paranoid but nothing’s getting anywhere until the client signs off on it.

      Trish

  • Jane Krate Duda says:

    And don’t forget about the ability to use duotones for your photos… you will just need to make sure the spot inks you set up in Photoshop use the EXACT same names (including capitalization and spacing and “coated” or “uncoated” designations if using PMS) as the InDesign swatches, and that they are NOT mixed swatches (just origninal spot colors).

    And, of course when working with duotones, watch that ink density 😉

  • Jeff Witchel says:

    Hi David and Jane,

    If I’m not using duotones Placed from Photoshop, why wouldn’t I change the Spot Color in InDesign? You can change the Spot to some other Spot Color as quickly as selecting the Swatch in the Swatches panel, pressing the Trash icon at the bottom of the panel and selecting the replacement Spot Color from the popup menu.

    Why do I feel this is important enough to mention?

    Murphy’s Law!

    Why leave anything to chance? As Murphy said, “If anything can go wrong, it will.”

    The artist should always prepare files in a way that mistakes can’t possibly happen. The last thing an artist ever wants to hear from a printer is “Oops! I don’t remember you telling us to change the Spot Color.” Or the ever popular, “Your PostIt note must have fallen off the job jacket.

    Years ago, when I first was thinking about becoming an Adobe Certified Instructor, I called a printer friend to ask him if he thought it was a good idea.

    He answered, “Hell yes! If all files came into our prepress department put together like yours, our lives would be a lot easier.” Printers should not have to “fix” something that’s is so easy for the artist to do themselves.

    All my best,

    Jeff

  • Dave says:

    Hey Jeff,
    Wondered if I might pick your brains about mixed ink gradient swatches?