App.xaml

<Application
    x:Class="LudoGame.App"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml">
    <Application.Resources>
        <ResourceDictionary>
            <ResourceDictionary.ThemeDictionaries>
                <ResourceDictionary x:Key="Default">
                    <Color x:Key="SystemAccentColor">#FFB5591A</Color>
                </ResourceDictionary>
                <ResourceDictionary x:Key="Dark">
                    <Color x:Key="SystemAccentColor">#FFB5591A</Color>
                </ResourceDictionary>
                <ResourceDictionary x:Key="Light">
                    <Color x:Key="SystemAccentColor">#FFB5591A</Color>
                </ResourceDictionary>
            </ResourceDictionary.ThemeDictionaries>
            <ResourceDictionary.MergedDictionaries>
                <!-- Your resources -->
                <!-- ... -->
            </ResourceDictionary.MergedDictionaries>
        </ResourceDictionary>
    </Application.Resources>
</Application>