Add gray to global colors list

diff --git a/colors.js b/colors.js
index 521d04e..ff541a3 100644 (file)
--- a/colors.js
+++ b/colors.js
@@ -1,6 +1,7 @@
 colorList = [
        "white",
        "black",
+       "gray",
        "red",
        "blue",
        "yellow",