Does anyone know the Mac command to invert the sceen color?

[blueradio]

Mac OS X keyboard code.
I know it would be something along the lines of Apple Button + CTRL+ a number but I don't remember.

If there are any Mac users out there that know, it would be greatly appreciated.

 

[paintba||er]

Ctrl+Option+Apple+8.

 

[blueradio]

Thanks a lot.
I really appreciate it.

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