Import Polymer 0.8 and several key elements.

third_party/polymer/v0_8/components-chromium/paper-styles/color.html

Index: third_party/polymer/v0_8/components-chromium/paper-styles/color.html
diff --git a/third_party/polymer/v0_8/components-chromium/paper-styles/color.html b/third_party/polymer/v0_8/components-chromium/paper-styles/color.html
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+<!--
+    @license
+    Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
+    This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
+    The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
+    The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
+    Code distributed by Google as part of the polymer project is also
+    subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
+-->
+
+<link rel="import" href="../polymer/polymer.html">
+
+<style is="x-style">
+
+  * {
+
+    --google-red-100: #f4c7c3;
+    --google-red-300: #e67c73;
+    --google-red-500: #db4437;
+    --google-red-700: #c53929;
+
+    --google-blue-100: #c6dafc;
+    --google-blue-300: #7baaf7;
+    --google-blue-500: #4285f4;
+    --google-blue-700: #3367d6;
+
+    --google-green-100: #b7e1cd;
+    --google-green-300: #57bb8a;
+    --google-green-500: #0f9d58;
+    --google-green-700: #0b8043;
+
+    --google-yellow-100: #fce8b2;
+    --google-yellow-300: #f7cb4d;
+    --google-yellow-500: #f4b400;
+    --google-yellow-700: #f09300;
+
+    --google-grey-100: #f5f5f5;
+    --google-grey-300: #e0e0e0;
+    --google-grey-500: #9e9e9e;
+    --google-grey-700: #616161;
+
+    /* opacity for dark text on a light background */
+    --dark-divider-opacity: 12%;
+    --dark-disabled-opacity: 26%; /* or hint text */
+    --dark-secondary-opacity: 54%; /* or icon */
+    --dark-primary-opacity: 87%;
+
+    /* opacity for light text on a dark background */
+    --light-divider-opacity: 12%;
+    --light-disabled-opacity: 30%; /* or hint text */
+    --light-secondary-opacity: 70%; /* or icon */
+    --light-primary-opacity: 100%;
+
+  }
+
+</style>