diff -r eb2945f0a4a1 -r afc4ad706f9c mercurial/color.py
--- a/mercurial/color.py	Thu Jul 19 15:21:28 2018 -0400
+++ b/mercurial/color.py	Thu Jul 19 23:22:05 2018 -0700
@@ -117,6 +117,7 @@
     'formatvariant.config.default': 'green',
     'formatvariant.default': '',
     'histedit.remaining': 'red bold',
+    'ui.error': 'red',
     'ui.prompt': 'yellow',
     'log.changeset': 'yellow',
     'patchbomb.finalsummary': '',