March 16, 2021 A dimmed theme, with a more subdued UI with a little less contrast than our dark mode theme, is now available to all GitHub.com users as a public beta. This update also includes new appearance settings to give you more control over which theme displays during the day and night. Opt-in to the beta by enabling the theme in your Feature Preview settings, located in the profile menu dro
![Dimmed theme beta for GitHub.com](https://cdn-ak-scissors.b.st-hatena.com/image/square/dccd53137969b93a191734548fd55322fd63f49d/height=288;version=1;width=512/https%3A%2F%2Fuser-images.githubusercontent.com%2F33528647%2F110865073-0921a200-8291-11eb-84bb-3d579c914ce3.gif)