diff --git a/src/recur.cpp b/src/recur.cpp
index e4d31ac6f..4454c8abd 100644
--- a/src/recur.cpp
+++ b/src/recur.cpp
@@ -404,8 +404,15 @@ int getDueState (const std::string& due)
 }
 
 ////////////////////////////////////////////////////////////////////////////////
+// Returns a Boolean indicator as to whether a nag message was generated, so
+// that commands can control the number of nag messages displayed (ie one is
+// enough).
 bool nag (Task& task)
 {
+  // Special tag overrides nagging.
+  if (task.hasTag ("nonag"))
+    return false;
+
   std::string nagMessage = context.config.get ("nag");
   if (nagMessage != "")
   {
diff --git a/src/rules.cpp b/src/rules.cpp
index 0a2bbae98..b406d5dc1 100644
--- a/src/rules.cpp
+++ b/src/rules.cpp
@@ -55,6 +55,10 @@ void initializeColorRules ()
 ////////////////////////////////////////////////////////////////////////////////
 void autoColorize (Task& task, Color& c)
 {
+  // The special tag 'nocolor' overrides all auto colorization.
+  if (task.hasTag ("nocolor"))
+    return;
+
   // Note: fg, bg already contain colors specifically assigned via command.
   // Note: These rules form a hierarchy - the last rule is King.
 
diff --git a/src/tests/special.t b/src/tests/special.t
new file mode 100755
index 000000000..f74c979b9
--- /dev/null
+++ b/src/tests/special.t
@@ -0,0 +1,70 @@
+#! /usr/bin/perl
+################################################################################
+## task - a command line task list manager.
+##
+## Copyright 2006 - 2010, Paul Beckingham.
+## All rights reserved.
+##
+## This program is free software; you can redistribute it and/or modify it under
+## the terms of the GNU General Public License as published by the Free Software
+## Foundation; either version 2 of the License, or (at your option) any later
+## version.
+##
+## This program is distributed in the hope that it will be useful, but WITHOUT
+## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+## FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
+## details.
+##
+## You should have received a copy of the GNU General Public License along with
+## this program; if not, write to the
+##
+##     Free Software Foundation, Inc.,
+##     51 Franklin Street, Fifth Floor,
+##     Boston, MA
+##     02110-1301
+##     USA
+##
+################################################################################
+
+use strict;
+use warnings;
+use Test::More tests => 8;
+
+# Create the rc file.
+if (open my $fh, '>', 'special.rc')
+{
+  print $fh "data.location=.\n",
+            "color.keyword.red=red\n",
+            "nag=NAG\n",
+            "_forcecolor=1\n";
+  close $fh;
+  ok (-r 'special.rc', 'Created special.rc');
+}
+
+# Prove that +nocolor suppresses all color for a task.
+qx{../task rc:special.rc add should have no red +nocolor priority:H};
+qx{../task rc:special.rc add should be red +nonag};
+my $output = qx{../task rc:special.rc ls};
+like ($output, qr/\s1\s+H\s+should have no red/,      'no red in first task due to +nocolor');
+like ($output, qr/\033\[31mshould be red\s+\033\[0m/, 'red in second task');
+
+# Prove that +nonag suppresses nagging when a low priority task is completed
+# ahead of a high priority one.
+$output = qx{../task rc:special.rc done 2};
+unlike ($output, qr/NAG/, '+nonag suppressed nagging for task 2');
+
+# Cleanup.
+unlink 'pending.data';
+ok (!-r 'pending.data', 'Removed pending.data');
+
+unlink 'completed.data';
+ok (!-r 'completed.data', 'Removed completed.data');
+
+unlink 'undo.data';
+ok (!-r 'undo.data', 'Removed undo.data');
+
+unlink 'special.rc';
+ok (!-r 'special.rc', 'Removed special.rc');
+
+exit 0;
+