diff --git a/app/views/mailer/send_for_user_activities.html.erb b/app/views/mailer/send_for_user_activities.html.erb
index f30c770da..1b4e2c255 100644
--- a/app/views/mailer/send_for_user_activities.html.erb
+++ b/app/views/mailer/send_for_user_activities.html.erb
@@ -213,7 +213,7 @@
                   <%= link_to truncate(project_message.project.name,length: 30,omission: '...'), project_url(project_message.project, :token => @token.value),
                               :class=> "wmail_column",
                               :style=> " font-weight: bold; display:block; float:left; color:#666;overflow:hidden; white-space: nowrap; text-overflow:ellipsis;" %>
-                  <span class="wmail_b" style="color:#1b55a7; font-weight:bold; float:left;">]</span>
+                  <span class="wmail_b" style="color:#666; font-weight:bold; float:left;">]</span>
 
                   <%= link_to project_message.author, user_activities_url(project_message.author,:token => @token.value), :class => "wmail_name",
                               :style => "color:#2E8DD7; float:left;display:block; margin-right:5px; margin-left:5px;  overflow:hidden; white-space: nowrap; text-overflow:ellipsis;"%>