peguins-read/app/src/main/res/values-night/themes.xml

<?xml version="1.0" encoding="utf-8"?>
<resources xmlns:tools="http://schemas.android.com/tools">

    <style name="Theme.PenguinsRead" parent="Theme.MaterialComponents.DayNight.NoActionBar">
        <!-- Primary brand color. -->
        <item name="colorPrimary">@color/textColor</item>
        <item name="colorPrimaryVariant">@color/black</item>
        <item name="colorOnPrimary">@color/black</item>
        <!-- Secondary brand color. -->
        <item name="colorSecondary">@color/colorPrimary</item>
        <item name="colorSecondaryVariant">@color/white</item>
        <item name="colorOnSecondary">@color/colorPrimary</item>
        <item name="drawerArrowStyle">@style/DrawerIconNight</item>
        <item name="android:statusBarColor">@color/black</item>

        <!-- Customize your theme here. -->
    </style>
</resources>