<Application.Resources>
        <ResourceDictionary>
            <ResourceDictionary.ThemeDictionaries>
                <ResourceDictionary x:Name="Default">
                    <SolidColorBrush x:Key="SystemControlForegroundAccentBrush" Color="#FFE74C3C"/>
                    <SolidColorBrush x:Key="SystemControlHighlightAccentBrush" Color="#FFE74C3C"/>
                    <SolidColorBrush x:Key="SystemControlHighlightAltAccentBrush" Color="#FFE74C3C"/>
                    <SolidColorBrush x:Key="SystemControlBackgroundAccentBrush" Color="#FFE74C3C"/>

                    <SolidColorBrush x:Key="SystemControlHighlightListAccentHighBrush" Color="#FFE74C3C" Opacity="0.9" />
                    <SolidColorBrush x:Key="SystemControlHighlightListAccentLowBrush" Color="#FFE74C3C" Opacity="0.6" />
                    <SolidColorBrush x:Key="SystemControlHighlightListAccentMediumBrush" Color="#FFE74C3C" Opacity="0.8" />
                </ResourceDictionary>
            </ResourceDictionary.ThemeDictionaries>