diff --git a/services/color-formatters.js b/services/color-formatters.js
index 5cf6da7c712be..154710ef8df42 100644
--- a/services/color-formatters.js
+++ b/services/color-formatters.js
@@ -23,7 +23,7 @@ function version(version) {
   if (first === 'v') {
     first = version[1]
   }
-  if (first === '0' || /alpha|beta|snapshot|dev|pre/i.test(version)) {
+  if (first === '0' || /alpha|beta|snapshot|dev|pre|rc/i.test(version)) {
     return 'orange'
   } else {
     return 'blue'
diff --git a/services/color-formatters.spec.js b/services/color-formatters.spec.js
index 8c282fd61b478..14b119783e72f 100644
--- a/services/color-formatters.spec.js
+++ b/services/color-formatters.spec.js
@@ -88,6 +88,7 @@ describe('Color formatters', function () {
       given('6.0-SNAPSHOT'),
       given('1.0.1-dev'),
       given('2.1.6-prerelease'),
+      given('2.1.6-RC1'),
     ]).expect('orange')
 
     expect(() => version(null)).to.throw(