I thought I had written about this trick on my blog before, but couldn’t find it. So I try again:
How to invert the screen (systemwide) in OS X: ctrl-alt-cmd-8
This makes it possible to change between regular and inverted view. I find it particularly useful when sitting in a dark environment, since it makes the screen much less bright to look at. Screenshots below:
{width=“524” height=“424”}
{width=“524” height=“424”}