Why on earth would you want to invert your colors on your Mac? Well, what if you’re on an airplane, it’s a night flight and you’re looking at something that has a lot of white space. You might be able to decrease the brightness on your screen, but sometimes that may not even work. If that’s the case, you can essentially make a negative of your screen. Here’s how to do it:
Just press Ctrl-Option-Cmd-8 on your keyboard. This will change it back as well.
Here’s what my home page usually looks like:
This is it’s negative:





