Make neutral color more neutral (and a bit more visible)

dotfiles/i3/config

@@ -123,7 +123,7 @@ bindsym $mod+backslash               mode "mark"
 
 mode "mark" {
   #      
-  set $neutral  "<span foreground='gray30'></span> %title"
+  set $neutral  "<span foreground='#999999'></span> %title"
   set $runn     "<span foreground='cyan'></span> %title"
   set $pass     "<span foreground='lime'></span> %title"
   set $warn     "<span foreground='orange'></span> %title"