diff --git a/source/colors.h b/source/colors.h
index 1038a72..b3b1abb 100644
--- a/source/colors.h
+++ b/source/colors.h
@@ -14,3 +14,5 @@
 #define TEAL          9
 #define YELLOW        10
 #define WHITE         11
+
+#define GRAY          11