diff --git a/data/themes/dark.py b/data/themes/dark.py
index 015e2988..272c4d91 100644
--- a/data/themes/dark.py
+++ b/data/themes/dark.py
@@ -31,6 +31,14 @@ class DarkTheme(theming.Theme):
     COLOR_GROUPCHAT_NAME = (106, 236)
     COLOR_COLUMN_HEADER = (36, 236)
 
+    COLOR_VERTICAL_TAB_NORMAL = (240, -1)
+    COLOR_VERTICAL_TAB_CURRENT = (-1, 236)
+    COLOR_VERTICAL_TAB_NEW_MESSAGE = (3, -1)
+    COLOR_VERTICAL_TAB_HIGHLIGHT = (1, -1)
+    COLOR_VERTICAL_TAB_PRIVATE = (2, -1)
+    COLOR_VERTICAL_TAB_DISCONNECTED = (13, -1)
+
+
 theme = DarkTheme()