chromium/components/cronet/android/sample/res/values/colors.xml

<?xml version="1.0" encoding="utf-8"?>
<!--
  Copyright 2019 The Chromium Authors
  Use of this source code is governed by a BSD-style license that can be
  found in the LICENSE file.
-->

<resources>
    <color name="navigation_selected">#000000</color>
    <color name="navigation_unselected">#888888</color>
    <color name="medium_text_color">#202124</color>
</resources>