diff --git a/lib/linguist/languages.yml b/lib/linguist/languages.yml
index bf381d45..70d52869 100644
--- a/lib/linguist/languages.yml
+++ b/lib/linguist/languages.yml
@@ -3234,6 +3234,7 @@ WebIDL:
 
 XC:
   type: programming
+  color: "#99DA07"
   extensions:
   - .xc
   tm_scope: source.c