diff --git a/cccli/printer.py b/cccli/printer.py
index ae2edcaf4d261cd1a427b17eec10bcd39693bc9d..f4690bf08b50ff82913675f2c2f21c7b57389ca4 100644
--- a/cccli/printer.py
+++ b/cccli/printer.py
@@ -16,6 +16,7 @@ from cccli.exception import *
 
 color = {
     # regular
+    "black": "\033[0;30m",
     "red": "\033[0;31m",
     "green": "\033[0;32m",
     "yellow": "\033[0;33m",
@@ -24,6 +25,7 @@ color = {
     "cyan": "\033[0;36m",
     "white": "\033[0;37m",
     # lighted
+    "lgrey": "\033[1;30m",
     "lred": "\033[1;31m",
     "lgreen": "\033[1;32m",
     "lyellow": "\033[1;33m",
@@ -95,7 +97,7 @@ class Printer(object):
 
     def debug(self, message, fd=sys.stderr, nl=os.linesep):
         if cccli.debug:
-            self.out(message, fd, nl)
+            self.out("%s%s%s"%(color["lgrey"],message,color["reset"]), fd, nl)
 
     def interactive(self, message, fd=sys.stderr, nl=os.linesep):
         '''Print only in interactive mode'''