diff --git a/README.rst b/README.rst
index c341ad6..9a349ac 100644
--- a/README.rst
+++ b/README.rst
@@ -163,6 +163,11 @@ Available formatting constants are::
 ``Style.RESET_ALL`` resets foreground, background, and brightness. Colorama will
 perform this reset automatically on program exit.
 
+These are fairly well supported, but not part of the standard::
+
+    Fore: LIGHTBLACK_EX, LIGHTRED_EX, LIGHTGREEN_EX, LIGHTYELLOW_EX, LIGHTBLUE_EX, LIGHTMAGENTA_EX, LIGHTCYAN_EX, LIGHTWHITE_EX
+    Back: LIGHTBLACK_EX, LIGHTRED_EX, LIGHTGREEN_EX, LIGHTYELLOW_EX, LIGHTBLUE_EX, LIGHTMAGENTA_EX, LIGHTCYAN_EX, LIGHTWHITE_EX
+
 
 Cursor Positioning
 ..................