From 74829f4898075381187a9b25e17a61a5726129ce Mon Sep 17 00:00:00 2001
From: Daniele Ruggieri <daniele.ruggieri@serco.com>
Date: Thu, 13 Jun 2019 20:00:13 +0200
Subject: [PATCH] SinglestatPanel: Manages when getColorForValue() function
 returns null value. Closes #9747 (#17552)

---
 public/app/plugins/panel/singlestat/module.ts | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/public/app/plugins/panel/singlestat/module.ts b/public/app/plugins/panel/singlestat/module.ts
index 7daf962a701..9a55d4418e0 100644
--- a/public/app/plugins/panel/singlestat/module.ts
+++ b/public/app/plugins/panel/singlestat/module.ts
@@ -610,6 +610,9 @@ class SingleStatCtrl extends MetricsPanelCtrl {
           } else {
             elem.css('background-color', '');
           }
+        } else {
+          $panelContainer.css('background-color', '');
+          elem.css('background-color', '');
         }
       } else {
         $panelContainer.css('background-color', '');