diff --git a/config/color_themes.yml b/config/color_themes.yml
index 896658841..9f33b152f 100644
--- a/config/color_themes.yml
+++ b/config/color_themes.yml
@@ -1,7 +1,7 @@
 available:
-  original: "Original Gray"
-  original_white: "Original White Background"
-  dark_green: "Dark Green"
+  original: "Original gray"
+  original_white: "Original white background"
+  dark_green: "Dark green"
   magenta: "Magenta"
-  egyptian_blue: "Egyptian Blue"
+  egyptian_blue: "Egyptian blue"
   dark: "Dark"
diff --git a/config/initializers/color_themes.rb b/config/initializers/color_themes.rb
index 6f76ee51c..4d172789c 100644
--- a/config/initializers/color_themes.rb
+++ b/config/initializers/color_themes.rb
@@ -10,10 +10,10 @@ if color_themes_file.exist?
     if color_themes["available"].length > 0
       color_themes["available"]
     else
-      {"original" => "Original Gray"}
+      {"original" => "Original gray"}
     end
 else
-  AVAILABLE_COLOR_THEMES = {"original" => "Original Gray"}.freeze
+  AVAILABLE_COLOR_THEMES = {"original" => "Original gray"}.freeze
 end
 # Get all codes from available themes into a separate variable, so that they can be called easier.
 AVAILABLE_COLOR_THEME_CODES = AVAILABLE_COLOR_THEMES.keys