pad diff with same color

example/worker.js

@@ -3,7 +3,7 @@ var a = require('../')('worker a')
   , b = require('../')('worker b');
 
 function work() {
-  a('doing some larger work');
+  a('doing lots of uninteresting work');
   setTimeout(work, Math.random() * 1000);
 }
 

lib/debug.js

@@ -69,6 +69,19 @@ function color() {
   return colors[prevColor++ % colors.length];
 }
 
+/**
+ * Pad the given `str` to `len`.
+ * 
+ * @param {String} str
+ * @param {String} len
+ * @return {String}
+ * @api private
+ */
+
+function pad(str, len) {
+  return Array(Math.max(len, 1)).join(' ') + str;
+}
+
 /**
  * Create a debugger with the given `name`.
  *
@@ -92,8 +105,8 @@ function debug(name) {
 
     fmt = '  \033[9' + c + 'm' + name + ' '
       + '\033[3' + c + 'm\033[90m'
-      + fmt + '\033[90m'
+      + fmt + '\033[3' + c + 'm'
-      + ' +' + ms + 'ms\033[0m';
+      + ' ' + pad(ms, 40 - fmt.length) + 'ms\033[0m';
 
     console.log.apply(this, arguments);
   }