diff --git a/app/assets/stylesheets/common/base/topic-post.scss b/app/assets/stylesheets/common/base/topic-post.scss
index 7ac426abb83..0079a415f5d 100644
--- a/app/assets/stylesheets/common/base/topic-post.scss
+++ b/app/assets/stylesheets/common/base/topic-post.scss
@@ -157,6 +157,10 @@ aside.quote {
   }
 }
 
+.wiki .topic-body {
+  background-color: dark-light-diff($wiki, $secondary, 95%, -50%);
+}
+
 // this ensures consistent top margin on topic posts even if the first line of a post
 // is a top-margin-less element like a list or image.
 .topic-body .regular {
diff --git a/app/assets/stylesheets/common/foundation/colors.scss b/app/assets/stylesheets/common/foundation/colors.scss
index 8fe9170fc2b..cdec1771e40 100644
--- a/app/assets/stylesheets/common/foundation/colors.scss
+++ b/app/assets/stylesheets/common/foundation/colors.scss
@@ -8,4 +8,4 @@ $highlight:         #ffff4d !default;
 $danger:            #e45735 !default;
 $success:           #009900 !default;
 $love:              #fa6c8d !default;
-$wiki:              #408040 !default;
+$wiki:              #ffffff !default;