The best alternatives to Colorgram are Dark Reader, Darkness, and Dark Mode List. If these 3 options don't work for you, we've listed a few more alternatives below.
Dark Reader is a free browser extension available for Google Chrome and Mozilla Firefox. It lets you apply a dark color scheme to any website so that you can enjoy browsing your favorite websites at night or in...
Darkness is a browser extension that provides beautiful dark themes for popular websites such as Google, Facebook, Gmail, Twitter, and dozens of others
Night Eye is a browser extension that enables dark mode on any website you visit. It does not ruin your browsing experience by simply inverting images.