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• How to change a single CMYK value as a percentage ...

# How to change a single CMYK value as a percentage of another value?

Community Beginner ,
Jan 19, 2024 Jan 19, 2024

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I am using the CMYK sliders to create color swatches. Is it possible to change one value based on a percentage of another value?

For example, I would like to have C = 100 M = 50 Y = (0.6 * Magenta). So it would be C = 100 M = 50 Y = 30, since 0.6*50 = 30.

Is there a certain formula I can type into the value box or a script that can do this?

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How-to , Scripting

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4 Replies 4
Community Expert ,
Jan 19, 2024 Jan 19, 2024

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You can just type 0,6*50 into the Y colour field. Illustrator should then calculate the correct value for you.

Is that what you're looking for?

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Community Beginner ,
Jan 20, 2024 Jan 20, 2024

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No not exactly. I know the value boxes can do the math equations for me. I was hoping to reference a value from another box in the equation, like referencing another cell in Excel. Do you know if Illustrator has this capability as far as the CMYK value boxes go? I've tried poking around in the Recolor Artwork feature as well but I haven't seen any way to go about this.

Alternatively, it would be helpful to me is if I could select multiple artworks and then recolor one of the CMYK values by dividing all the current values by the same number. For example, I select 2 artworks and then divide the C value by 1.5. So if one artwork begins with C = 2 and the other artwork begins with C = 5, both are divided by 1.5 so the result is C = 1.33 for the first artwork and C = 3.33 for the second artwork. Is this possible in Illustrator?

Thanks so much for your response. 🙂

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Community Expert ,
Jan 20, 2024 Jan 20, 2024

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You may take a look at Edit menu > Edit Colours > Saturate ...

It may help.

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Enthusiast ,
Jan 24, 2024 Jan 24, 2024

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These are my experiments so far. And there are a number of ideas to refine the functionality. But the idea seems similar to what you described.