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Thread: LAB color

  1. #1

    Default LAB color

    I'm exploring LAB color - can any one pass on their tips and tricks.

    I'm reading Dan M. book on 'Photoshop LAB' and find some concepts tricky.

    For example, how would you approach "applying the B channel, inverted, to the L channel in overlay mode"?

    I can get as far as apply image adjustments & inverted overlay mode, but am not sure how to apply the B channel to the L channel.

    Below is one of my more successful shots, go into my flickr site to find a LAB tutorial if you want to know what the heck I'm talking about

    Last edited by Manda; 6th October 2007 at 08:55 PM.

  2. #2
    Join Date
    Feb 2003
    In the void.

    Default Re: LAB color

    Once you converted to LAB color mode, you can use Calculations under the Edit sub-menus to apply channels to one another.
    There's a few different blending mode, so you have to try which ones actually works.

  3. #3

    Default Re: LAB color

    Thanks for the tip - Calculations is some thing else I need to learn - looks like I'll be chained to my computer for a while!

    Any other suggestions please?

  4. #4
    Senior Member
    Join Date
    Mar 2004
    Central West

    Default Re: LAB color

    Yeah, Dan's book is an interesting read huh ? I haven't gone that far though, only gone up to chapter 4 so far. Looking forward to reading more when I have time, maybe we can share tips. Yeah, as Prsimatic says, you can use the Calculations command to apply the b channel (inverted) onto the Lightness channel and choose the blending mode - but it's actually under the Image submenu in CS2 (Image->Calculations)

    Here's a good site where they have a "reading group" type thing discussing each chapter of the book

  5. #5

    Default Re: LAB color

    Thanks for your tip.

    It's really improved my understanding.

    Any one else wanna share?


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