Fix RenderParagraph to respect text color.

sky/sdk/lib/framework/rendering/paragraph.dart

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 import 'dart:sky' as sky;
 import 'box.dart';
 import 'object.dart';
 
 class RenderInline extends RenderObject {
   String data;
@@ skipping 40 matching lines @@
     _layoutRoot.minWidth = constraints.minWidth;
     _layoutRoot.minHeight = constraints.minHeight;
     _layoutRoot.maxHeight = constraints.maxHeight;
     _layoutRoot.layout();
     // rootElement.width always expands to fill, use maxContentWidth instead.
     sky.Element root = _layoutRoot.rootElement;
     size = constraints.constrain(new Size(root.maxContentWidth, root.height));
   }
 
   void paint(RenderObjectDisplayList canvas) {
-    // _layoutRoot.rootElement.style['color'] = 'rgba(' + ...color... + ')';
+    if (_color != null)
+      _layoutRoot.rootElement.style['color'] =
+          'rgba(${_color.red}, ${_color.green}, ${_color.blue}, ${_color.alpha / 255.0 })';
     _layoutRoot.paint(canvas);
   }
 
   // we should probably expose a way to do precise (inter-glpyh) hit testing
 
   String debugDescribeSettings(String prefix) => '${super.debugDescribeSettings(prefix)}${prefix}color: ${color}\n${prefix}text: ${text}\n';
 }