Fork theme to theme2 and use sky.Color types directly.

sky/examples/stocks2/lib/stock_app.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 'package:sky/framework/components2/tool_bar.dart';
 // import 'package:sky/framework/components2/drawer.dart';
 // import 'package:sky/framework/components2/drawer_header.dart';
 // import 'package:sky/framework/components2/floating_action_button.dart';
 // import 'package:sky/framework/components2/icon.dart';
 import 'package:sky/framework/components2/icon_button.dart';
 // import 'package:sky/framework/components2/input.dart';
 // import 'package:sky/framework/components2/menu_divider.dart';
 // import 'package:sky/framework/components2/menu_item.dart';
 // import 'package:sky/framework/components2/modal_overlay.dart';
 // import 'package:sky/framework/components2/popup_menu.dart';
 // import 'package:sky/framework/components2/radio.dart';
 import 'package:sky/framework/components2/scaffold.dart';
 import 'package:sky/framework/fn2.dart';
-import 'package:sky/framework/theme/typography.dart' as typography;
-import 'package:sky/framework/theme/colors.dart';
+import 'package:sky/framework/theme2/typography.dart' as typography;
+import 'package:sky/framework/theme2/colors.dart' as colors;
 import 'stock_data.dart';
 import 'package:sky/framework/rendering/box.dart';
 // import 'stock_list.dart';
 // import 'stock_menu.dart';
 
 import 'dart:async';
 import 'dart:sky' as sky;
 
 enum StockMode { Optimistic, Pessimistic }
 
@@ skipping 135 matching lines @@
           onGestureTap: (_) => true), // _drawerController.toggle),
         center: new Text('Stocks'),
         right: [
           new IconButton(
             icon: 'action/search_white',
             onGestureTap: _handleSearchBegin),
           new IconButton(
             icon: 'navigation/more_vert_white',
             onGestureTap: _handleMenuShow)
         ],
-        backgroundColor: colorFromCSSHexColorString(Purple[500])
+        backgroundColor: colors.Purple[500]
       );
   }
 
   // TODO(abarth): Should we factor this into a SearchBar in the framework?
   UINode buildSearchBar() {
     // return new StyleNode(
     //   new ToolBar(
     //     left: new IconButton(
     //       icon: 'navigation/arrow_back_grey600',
     //       onGestureTap: _handleSearchEnd),
@@ skipping 28 matching lines @@
     //   drawer: _drawerShowing ? buildDrawer() : null,
     //   overlays: overlays
     );
   }
 }
 
 void main() {
   print("starting stocks app!");
   new StocksApp();
 }