diff --git a/extensions/b2g/viewer.css b/extensions/b2g/viewer.css
index 2d494e91f2171..298d8eddb10a6 100644
--- a/extensions/b2g/viewer.css
+++ b/extensions/b2g/viewer.css
@@ -213,7 +213,7 @@ canvas {
 }
 
 #errorWrapper {
-  background: none repeat scroll 0 0 #FF5555;
+  background: none repeat scroll 0 0 #ce4444;
   color: white;
   left: 0;
   position: absolute;
diff --git a/web/viewer.css b/web/viewer.css
index f5dae42544348..34d53370825f4 100644
--- a/web/viewer.css
+++ b/web/viewer.css
@@ -1319,7 +1319,7 @@ html[dir='rtl'] .outlineItemToggler::before {
 ::-moz-selection { background: rgba(0,0,255,0.3); }
 
 #errorWrapper {
-  background: none repeat scroll 0 0 #FF5555;
+  background: none repeat scroll 0 0 #ce4444;
   color: white;
   left: 0;
   position: absolute;