diff --git a/tests/aggregate-results.sh b/tests/aggregate-results.sh
index d5bab75..ecc258f 100755
--- a/tests/aggregate-results.sh
+++ b/tests/aggregate-results.sh
@@ -1,4 +1,57 @@
-#!/bin/sh
+#!/bin/bash
+
+[ "x$TERM" != "xdumb" ] && (
+		export TERM &&
+		[ -t 1 ] &&
+		tput bold >/dev/null 2>&1 &&
+		tput setaf 1 >/dev/null 2>&1 &&
+		tput sgr0 >/dev/null 2>&1
+	) &&
+	color=t
+
+case "$1" in
+--no-color)
+	color=; shift ;;
+esac
+
+if test -n "$color"; then
+	say_color () {
+		(
+		export TERM
+		case "$1" in
+			error) tput bold; tput setaf 1;; # bold red
+			skip)  tput bold; tput setaf 2;; # bold green
+			pass)  tput setaf 2;;            # green
+			info)  tput setaf 3;;            # brown
+			*) test -n "$quiet" && return;;
+		esac
+		shift
+		printf "* %s" "$*"
+		tput sgr0
+		echo
+		)
+	}
+else
+	say_color() {
+		test -z "$1" && test -n "$quiet" && return
+		shift
+		echo "* $*"
+	}
+fi
+
+get_color()
+{
+	# Only use the supplied color if there are actually instances of that
+	# type, so that a clean test run does not distract the user by the
+	# appearance of the error highlighting.
+	if [ ${1:?} -eq 0 ]
+	then
+		echo 'info'
+	else
+		echo "${2:-info}"
+	fi
+}
+
 
 fixed=0
 success=0
@@ -27,8 +80,8 @@ do
 	done <"$file"
 done
 
-printf "%-8s%d\n" fixed $fixed
-printf "%-8s%d\n" success $success
-printf "%-8s%d\n" failed $failed
-printf "%-8s%d\n" broken $broken
-printf "%-8s%d\n" total $total
+say_color 'info'                           "$(printf "%-8s%d\n" fixed $fixed)"
+say_color "$(get_color "$success" 'pass')" "$(printf "%-8s%d\n" success $success)"
+say_color "$(get_color "$failed" 'error')" "$(printf "%-8s%d\n" failed $failed)"
+say_color "$(get_color "$broken" 'error')" "$(printf "%-8s%d\n" broken $broken)"
+say_color 'info'                           "$(printf "%-8s%d\n" total $total)"