diff --git a/config/locales/server.en.yml b/config/locales/server.en.yml
index 9190d273d70..d1ebbb2e018 100644
--- a/config/locales/server.en.yml
+++ b/config/locales/server.en.yml
@@ -1434,7 +1434,7 @@ en:
     suppress_digest_email_after_days: "Suppress summary emails for users not seen on the site for more than (n) days."
     digest_suppress_categories: "Suppress these categories from summary emails."
     disable_digest_emails: "Disable summary emails for all users."
-    email_accent_bg_color: "The accent color to be used as the background of some elements in HTML emails. Enter a color name ('red') or hex value ('#FF000')."
+    email_accent_bg_color: "The accent color to be used as the background of some elements in HTML emails. Enter a color name ('red') or hex value ('#FF0000')."
     email_accent_fg_color: "The color of text rendered on the email bg color in HTML emails. Enter a color name ('white') or hex value ('#FFFFFF')."
     email_link_color: "The color of links in HTML emails. Enter a color name ('blue') or hex value ('#0000FF')."