1 files changed, 25 insertions, 0 deletions
diff --git a/actionpack/lib/action_view/helpers/tags/color_field.rb b/actionpack/lib/action_view/helpers/tags/color_field.rb
new file mode 100644
index 0000000000..6f08f8483a
--- /dev/null
+++ b/actionpack/lib/action_view/helpers/tags/color_field.rb
@@ -0,0 +1,25 @@
+module ActionView
+  module Helpers
+    module Tags
+      class ColorField < TextField #:nodoc:
+        def render
+          options = @options.stringify_keys
+          options["value"] = @options.fetch("value") { validate_color_string(value(object)) }
+          @options = options
+          super
+        end
+
+        private
+
+          def validate_color_string(string)
+            regex = /#[0-9a-fA-F]{6}/
+            if regex.match(string)
+              string.downcase
+            else
+              "#000000"
+            end
+          end
+      end
+    end
+  end
+end