additional colors under admin control

backend/seed.py

@@ -231,6 +231,10 @@ STATION_CONFIG: dict = {
     "color_success": "#4a9e4f",
     "color_danger": "#c83030",
     "color_info": "#3a8abf",
+    "color_white": "#ffffff",
+    "color_light": "#f0ebe3",
+    "color_medium": "#8a8580",
+    "color_black": "#1a1816",
 }
 
 HISTORY_ENTRIES: list[dict] = [