FairEmail/app/src/main/res/values/styles.xml

<resources>
    <attr name="colorUnread" format="reference" />
    <attr name="colorSeparator" format="reference" />
    <attr name="colorDrawerScrim" format="reference" />
    <attr name="colorDrawerText" format="reference" />
    <attr name="colorDrawerBackground" format="reference" />

    <style name="AppThemeLight" parent="Theme.AppCompat.Light.DarkActionBar">
        <item name="android:windowDisablePreview">true</item>

        <item name="colorPrimary">@color/colorPrimary</item>
        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
        <item name="colorAccent">@color/colorAccent</item>

        <item name="colorUnread">@color/lightColorUnread</item>
        <item name="colorSeparator">@color/lightColorSeparator</item>
        <item name="colorDrawerScrim">@color/lightColorDrawerScrim</item>
        <item name="colorDrawerText">@color/lightColorDrawerText</item>
        <item name="colorDrawerBackground">@color/lightColorDrawerBackground</item>
    </style>

    <style name="AppThemeDark" parent="Theme.AppCompat">
        <item name="android:windowDisablePreview">true</item>

        <item name="colorPrimary">@color/colorPrimary</item>
        <item name="colorPrimaryDark">@color/colorPrimaryDark</item>
        <item name="colorAccent">@color/colorAccent</item>

        <item name="colorUnread">@color/darkColorUnread</item>
        <item name="colorSeparator">@color/darkColorSeparator</item>
        <item name="colorDrawerScrim">@color/darkColorDrawerScrim</item>
        <item name="colorDrawerText">@color/darkColorDrawerText</item>
        <item name="colorDrawerBackground">@color/darkColorDrawerBackground</item>
    </style>
</resources>