~/.hermes/herm/tui.json or $HERM_CONFIG_DIR/tui.json.
The default first-boot theme is tokyonight.
Open the theme picker
- Type
/themein the composer. - Press
<leader>t. The default leader isCtrl+X.
Return to apply the highlighted theme.
Built-in themes
The table is generated fromsrc/theme/manifest.ts in the Herm source repo.
Fix colors in tmux
If colors look washed out or banded inside tmux, configure tmux to advertise 256-color support.tmux source ~/.tmux.conf, then restart Herm.
Skins
A skin applies a Hermes Agent skin setting. When Herm has a matching theme or bundled eikon, it mirrors those visuals too.
Type
/skin without an argument to browse available names.
Where preferences are saved
Theme and skin selections are written to:HERM_CONFIG_DIR is set, Herm writes tui.json there instead.