diff --git a/src/gui_x11.c b/src/gui_x11.c
index 4330305..c49bbe5 100644
--- a/src/gui_x11.c
+++ b/src/gui_x11.c
@@ -2296,6 +2296,22 @@
 	{"DarkMagenta",	"#BB00BB"},
 	{"DarkGrey",	"#BBBBBB"},
 	{"DarkYellow",	"#BBBB00"},
+	{"Gray10",	"#1A1A1A"},
+	{"Grey10",	"#1A1A1A"},
+	{"Gray20",	"#333333"},
+	{"Grey20",	"#333333"},
+	{"Gray30",	"#4D4D4D"},
+	{"Grey30",	"#4D4D4D"},
+	{"Gray40",	"#666666"},
+	{"Grey40",	"#666666"},
+	{"Gray50",	"#7F7F7F"},
+	{"Grey50",	"#7F7F7F"},
+	{"Gray60",	"#999999"},
+	{"Grey60",	"#999999"},
+	{"Gray70",	"#B3B3B3"},
+	{"Grey70",	"#B3B3B3"},
+	{"Gray80",	"#CCCCCC"},
+	{"Grey80",	"#CCCCCC"},
 	{"Gray90",	"#E5E5E5"},
 	{"Grey90",	"#E5E5E5"},
 	{NULL, NULL}