To use base16 themes in Lem editor run

$ ros install lukpank/lem-base16-themes

then add to your ~/.lem/init.lisp the following lines

(load-library "base16-themes")
(load-theme "espresso")

changing the theme espresso to the theme you want to use.

You can also change the theme interactively with M-x load-theme.

To regenerate src/themes.lisp run in slime REPL

(load "/path/to/lem-base16-themes/lem-base16-themes-generate.asd")
(ql:quickload "lem-base16-themes-generate")
(lem-base16-themes-generate:regenerate-themes)

Licensed under MIT License.

Łukasz Pankowski