diff --git a/awx/main/notifications/hipchat_backend.py b/awx/main/notifications/hipchat_backend.py
index e75fcbc296..30e22ae07f 100644
--- a/awx/main/notifications/hipchat_backend.py
+++ b/awx/main/notifications/hipchat_backend.py
@@ -38,7 +38,7 @@ class HipChatBackend(AWXBaseEmailBackend):
                 r = requests.post("{}/v2/room/{}/notification".format(self.api_url, rcp),
                                   params={"auth_token": self.token},
                                   verify=False,
-                                  json={"color": self.color,
+                                  json={"color": self.color.lower(),
                                         "message": m.subject,
                                         "notify": self.notify,
                                         "from": m.from_email,