diff -r 53230c5bb273 -r 7fec37746417 mercurial/commands.py
--- a/mercurial/commands.py	Tue Feb 28 11:42:07 2017 +0100
+++ b/mercurial/commands.py	Sat Feb 25 19:44:23 2017 +0100
@@ -77,7 +77,7 @@
      _('do not prompt, automatically pick the first choice for all prompts')),
     ('q', 'quiet', None, _('suppress output')),
     ('v', 'verbose', None, _('enable additional output')),
-    ('', 'color', 'never',
+    ('', 'color', '',
      # i18n: 'always', 'auto', 'never', and 'debug' are keywords
      # and should not be translated
      _("when to colorize (boolean, always, auto, never, or debug)"