diff --git a/waflib/Logs.py b/waflib/Logs.py
index a8807199..1edcfab2 100644
--- a/waflib/Logs.py
+++ b/waflib/Logs.py
@@ -35,6 +35,7 @@ colors_lst = {
 'PINK'  :'\x1b[35m',
 'BLUE'  :'\x1b[01;34m',
 'CYAN'  :'\x1b[36m',
+'GREY'  :'\x1b[37m',
 'NORMAL':'\x1b[0m',
 'cursor_on'  :'\x1b[?25h',
 'cursor_off' :'\x1b[?25l',