diff --git a/src/term.c b/src/term.c
index 622491fb0..0cbd3aa17 100644
--- a/src/term.c
+++ b/src/term.c
@@ -6805,6 +6805,7 @@ gui_get_color_cmn(char_u *name)
 	    {(char_u *)"green",		RGB(0x00, 0xFF, 0x00)},
 	    {(char_u *)"grey",		RGB(0xBE, 0xBE, 0xBE)},
 	    {(char_u *)"grey40",	RGB(0x66, 0x66, 0x66)},
+	    {(char_u *)"grey50",	RGB(0x7F, 0x7F, 0x7F)},
 	    {(char_u *)"grey90",	RGB(0xE5, 0xE5, 0xE5)},
 	    {(char_u *)"lightblue",	RGB(0xAD, 0xD8, 0xE6)},
 	    {(char_u *)"lightcyan",	RGB(0xE0, 0xFF, 0xFF)},