diff --git a/README.md b/README.md
index f68b68f..4099323 100644
--- a/README.md
+++ b/README.md
@@ -83,6 +83,8 @@ Containers with these labels become tiles:
 - `webterm-command`: command string, or `auto` for Docker exec
 - `webterm-theme`: theme name (fallback is `xterm` palette)
 
+Available themes: `tango`, `xterm`, `monokai`, `monokai-pro`, `ristretto`, `dark`, `light`, `dracula`, `catppuccin`, `nord`, `gruvbox`, `solarized`, `tokyo`, `miasma`, `github`, `gotham`
+
 ### Compose manifest
 
 ```bash
diff --git a/docs/ARCHITECTURE.md b/docs/ARCHITECTURE.md
index bd834e1..3b209b2 100644
--- a/docs/ARCHITECTURE.md
+++ b/docs/ARCHITECTURE.md
@@ -54,7 +54,7 @@ The server resolves static files from:
 
 - **Compose mode** loads services from a compose manifest and creates tiles for services carrying `webterm-command`.
 - **Watch mode** subscribes to Docker events and adds/removes tiles at runtime.
-- `webterm-theme` controls tile theme; default theme applies if unset.
+- `webterm-theme` controls tile theme; default theme applies if unset. Available themes: `tango`, `xterm`, `monokai`, `monokai-pro`, `ristretto`, `dark`, `light`, `dracula`, `catppuccin`, `nord`, `gruvbox`, `solarized`, `tokyo`, `miasma`, `github`, `gotham`.
 
 ## Reliability notes