I have used this keyboard shortcut several times in my tutorials to load the image luminosity as a selection and a lot of people have been unable to make it work on a Mac system. This is because the Mac OS has this particular keyboard command assigned to another system function. To fix this you can go into the Mac OS System Preferences under the Apple menu. Go to Keyboard and Mouse and click the last tab called Keyboard Shortcuts. Scroll down and twirl down Keyboard Navigation, then scroll down to ‘Move focus to the window drawer’. Turn this feature off by unchecking the box next to it. Now this keystroke will work inside Photoshop.



  1. Paul Kennedy 15 October, 2008 at 19:17 Reply

    I, too, use this keyboard shortcut for the same purpose, but after installing PS CS4 today, I find it doesn’t work. Do you know what shortcut has replaced command+option+tilde in CS4?
    Thanks for the help.


  2. Paul Kennedy 15 October, 2008 at 19:36 Reply

    I don’t usually answer my own question, but, after some additional experimentation I’ve discovered that the replacement shortcut is command+option+2. Hope that helps someone else, as well.


  3. Mary 22 October, 2008 at 12:35 Reply

    What is the pc equivalent of Command-Option-~(Tilde)?

    Just a suggestion: when refering to shortcuts, please could you add the pc version to the shortcut too, or the menu option if you don’t feel comfortable talking about pc’s?

    Not everyone uses Mac, you know…

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