diff --git a/src/gui_gtk_x11.c b/src/gui_gtk_x11.c
index b44100e..9eb85ce 100644
--- a/src/gui_gtk_x11.c
+++ b/src/gui_gtk_x11.c
@@ -5338,17 +5338,33 @@
     /* A number of colors that some X11 systems don't have */
     static const char *const vimnames[][2] =
     {
-	{"LightRed",	 "#FFBBBB"},
-	{"LightGreen",	 "#88FF88"},
-	{"LightMagenta", "#FFBBFF"},
-	{"DarkCyan",	 "#008888"},
-	{"DarkBlue",	 "#0000BB"},
-	{"DarkRed",	 "#BB0000"},
-	{"DarkMagenta",  "#BB00BB"},
-	{"DarkGrey",	 "#BBBBBB"},
-	{"DarkYellow",	 "#BBBB00"},
-	{"Grey90",	 "#E5E5E5"},
-	{"Gray90",	 "#E5E5E5"},
+	{"LightRed",	"#FFBBBB"},
+	{"LightGreen",	"#88FF88"},
+	{"LightMagenta","#FFBBFF"},
+	{"DarkCyan",	"#008888"},
+	{"DarkBlue",	"#0000BB"},
+	{"DarkRed",	"#BB0000"},
+	{"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}
     };