Keyboard shortcut for "Use grayscale"

You're welcomne... And by the way, I'm also active on Onemorething.nl, by the same user name.

i've found some serious problem about this feature... it works for me only when i have selected desctop, otherwise i have to create access in preference for each program i would want to use this shortcut with in background... it is not fix for me... each time when i in stall new program to update this list in accesibility panel.

For El Capitan, my AppleScript is this:

tell application "System Preferences"

activate

set the current pane to paneid "com.apple.preference.universalaccess"

delay 1 # needs time to open universal access

tell application "System Events" to tell process "System Preferences"

click the checkbox "Use grayscale" of window "Accessibility"

end tell

end tell

tell application "System Preferences" to quit

export this script as an application. Then you can bind it to a shortcut with automator.

When running it, you might get the alert 'myscript is not allowed assistive access'.

Go to preferences -> security & privacy -> accessibility. Unlock and hit the + button, then add your script.

Works thus far.

Hope this helps someone.