diff --git a/config/_default/params.toml b/config/_default/params.toml
index 522132b..9c0055b 100644
--- a/config/_default/params.toml
+++ b/config/_default/params.toml
@@ -7,12 +7,12 @@
 
 
 # congo (default), avocado, cherry, fire, ocean, sapphire and slate.
-# colorScheme = "congo"
+colorScheme = "congo"
+# colorScheme = "ocean"
 # colorScheme = "sapphire"
 # colorScheme = "avocado"
 # colorScheme = "cherry"
 # colorScheme = "fire"
-colorScheme = "ocean"
 # colorScheme = "slate"
 defaultAppearance = "dark" # valid options: light or dark
 autoSwitchAppearance = false
@@ -33,7 +33,7 @@ rssFullContent = true
 [footer]
   showCopyright = true
   showThemeAttribution = true
-  # showAppearanceSwitcher = true
+  showAppearanceSwitcher = true
   showScrollToTop = true
 
 [homepage]