This plug-in works. However, this plug-in does invert all colors, not just white/greys/black.

apart from charts, images and dropdown menus where the colors do change when using the extension, really solid and good looking

not work in "drive.google.com".
work in only "docs.google.com"
why mean?

The best out there. Thank you very much for this!

Only been using this for a few days and it's SO much better on my eyes! Highly recommend it.

works very well. looks beautiful on sheets

Works excellently, only suggestions is to make it so that tables in Google Docs also change. Right now they don't change with text so are hard to see.

Open source, works consistently. Very good add-on.