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Desaturating an image

Posted by Chris Northcross on May 7, 2013 at 9:05am

I'm having a complete low brain activity day today.  Working on an image and want to desaturate an element I created so that its solely black and white.  After mutzing around with some of the adjust and image ops, I'm stumped.  I'm thinking there's a way to do it via MSG, but before I go that route I figure I'd toss it out to the Forum and see what you all have to say.

Thanks in advance!

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Tags: color, desaturate, desaturation, remove
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Replies

  • Synthetik May 7, 2013 at 9:25am

    Can't you just use the Value/Sat Adjust option in Interactive Adjust op mode?

    Pulling the clicked down cursor left in the canvas will decrease the saturation.

  • Chris Northcross May 7, 2013 at 9:32am

    That's what I tried first, however I the image brightness seems to drop as well when I did it.  

    Here's the original:2472655201?profile=RESIZE_1024x1024

    And here's the same image with me dragging as far left as I can with my stylus before the entire image goes dark:

    2472655816?profile=RESIZE_1024x1024

    • Synthetik > Chris Northcross May 7, 2013 at 10:00am

      Try changing the ColorSpace parameter to Lum.

      Another option is to use the Following Fixed Color ip op effect. 100% Mix will be BW, anything between 100% and 0% will have appropriate reduced saturation.

      2472649055?profile=original

      • Chris Northcross > Synthetik May 7, 2013 at 10:05am

        I changed the colorspace to Lum using the BW Threshold adjust and got the results I was looking for.  Thanks John!

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