My eyesight being what it is, I’m now almost to the point where I can not read a bright screen anymore: it’s really painful on the eyes. Everything is much easier when the screen is dark. So, no surprise, I welcomed Mojave’s Dark Mode as a blessing–a perfectible one, though.
Here is the list of the apps and utilities that help me to take full advantage of this. There are many more, but those are the one I use the most.