diff --git a/src/gui_photon.c b/src/gui_photon.c
index e651922..3408ba6 100644
--- a/src/gui_photon.c
+++ b/src/gui_photon.c
@@ -2007,6 +2007,22 @@
 	{"Grey",	    RGB(0xC0, 0xC0, 0xC0)},
 	{"LightGray",	    RGB(0xD3, 0xD3, 0xD3)},
 	{"LightGrey",	    RGB(0xD3, 0xD3, 0xD3)},
+	{"Gray10",	    RGB(0x1A, 0x1A, 0x1A)},
+	{"Grey10",	    RGB(0x1A, 0x1A, 0x1A)},
+	{"Gray20",	    RGB(0x33, 0x33, 0x33)},
+	{"Grey20",	    RGB(0x33, 0x33, 0x33)},
+	{"Gray30",	    RGB(0x4D, 0x4D, 0x4D)},
+	{"Grey30",	    RGB(0x4D, 0x4D, 0x4D)},
+	{"Gray40",	    RGB(0x66, 0x66, 0x66)},
+	{"Grey40",	    RGB(0x66, 0x66, 0x66)},
+	{"Gray50",	    RGB(0x7F, 0x7F, 0x7F)},
+	{"Grey50",	    RGB(0x7F, 0x7F, 0x7F)},
+	{"Gray60",	    RGB(0x99, 0x99, 0x99)},
+	{"Grey60",	    RGB(0x99, 0x99, 0x99)},
+	{"Gray70",	    RGB(0xB3, 0xB3, 0xB3)},
+	{"Grey70",	    RGB(0xB3, 0xB3, 0xB3)},
+	{"Gray80",	    RGB(0xCC, 0xCC, 0xCC)},
+	{"Grey80",	    RGB(0xCC, 0xCC, 0xCC)},
 	{"Gray90",	    RGB(0xE5, 0xE5, 0xE5)},
 	{"Grey90",	    RGB(0xE5, 0xE5, 0xE5)},
 	{"White",	    RGB(0xFF, 0xFF, 0xFF)},