UWP - Customize title bar color

MainPage.xaml

<Page
    x:Class="UniversalAppTutorials.MainPage"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:local="using:UniversalAppTutorials"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    mc:Ignorable="d"
    >
    <StackPanel Orientation="Vertical" Background="AliceBlue" Padding="50">
    </StackPanel>
</Page>
MainPage.xaml.cs

using Windows.UI.Xaml.Controls;
using Windows.UI;
using Windows.UI.ViewManagement;


namespace UniversalAppTutorials
{
    public sealed partial class MainPage : Page
    {
        public MainPage()
        {
            this.InitializeComponent();

            // Get the application view title bar
            ApplicationViewTitleBar appTitleBar = ApplicationView.GetForCurrentView().TitleBar;

            // Set the title bar background and forground color
            appTitleBar.BackgroundColor = Colors.Crimson;
            appTitleBar.ForegroundColor = Colors.Snow;

            // Set the title bar inactive colors
            appTitleBar.InactiveBackgroundColor = Colors.DarkGray;
            appTitleBar.InactiveForegroundColor = Colors.LightGray;

            // Set the title bar button colors
            appTitleBar.ButtonBackgroundColor = Colors.DarkOrange;
            appTitleBar.ButtonForegroundColor = Colors.Gold;

            // Title bar button hover state colors
            appTitleBar.ButtonHoverBackgroundColor = Colors.Green;
            appTitleBar.ButtonHoverForegroundColor = Colors.GreenYellow;

            // Title bar button inctive state colors
            appTitleBar.ButtonInactiveBackgroundColor = Colors.DarkKhaki;
            appTitleBar.ButtonInactiveForegroundColor = Colors.Silver;

            // Title bar button pressed state colors
            appTitleBar.ButtonPressedBackgroundColor = Colors.Navy;
            appTitleBar.ButtonPressedForegroundColor = Colors.WhiteSmoke;
        }
    }
}