base16-tomorrow-dark-warm
Base16 dark syntax theme, modified from base16-tomorrow-dark-theme with warmer but mostly very dark background colors. Designed to work with One Dark UI theme
Base16 Tomorrow Dark Warm Syntax Theme
Modification of the Atom Base16 Tomorrow Dark syntax theme.
Modifications include warmer but mostly very dark background colors for the editor and UI, and a few other small UI changes.
This theme was designed to work with the One Dark UI theme, which is needed to get the UI background colors, and which is the UI theme used in the screenshot.