dev favicon is blue, not purple

app/helpers/page_layout_helper.rb

@@ -35,7 +35,7 @@ module PageLayoutHelper
   end
 
   def favicon
-    Rails.env.development? ? 'favicon-purple.ico' : 'favicon.ico'
+    Rails.env.development? ? 'favicon-blue.ico' : 'favicon.ico'
   end
 
   def page_image

spec/helpers/page_layout_helper_spec.rb

@@ -46,9 +46,9 @@ describe PageLayoutHelper do
       expect(helper.favicon).to eq 'favicon.ico'
     end
 
-    it 'has purple favicon for development' do
+    it 'has blue favicon for development' do
       allow(Rails).to receive(:env).and_return(ActiveSupport::StringInquirer.new('development'))
-      expect(helper.favicon).to eq 'favicon-purple.ico'
+      expect(helper.favicon).to eq 'favicon-blue.ico'
     end
   end