Change the color of Navigation Drawer indicator icon

Try creating this style in your styles.xml.

<style name="DrawerArrowStyle" parent="Widget.AppCompat.DrawerArrowToggle">
    <item name="color">@android:color/white</item>
</style>

And, then add it to you AppTheme style like the following.

<item name="drawerArrowStyle">@style/DrawerArrowStyle</item>

The following worked for me.

 <style name="ToolBarStyle" parent="Theme.AppCompat.Light.NoActionBar">
            <item name="colorControlNormal">@android:color/white</item>
        </style>

In your AppTheme add this style.

<style name="AppTheme" parent="Theme.AppCompat.Light.NoActionBar">
<item name="drawerArrowStyle">@style/DrawerArrowStyle</item>
</style>

<style name="DrawerArrowStyle" parent="Widget.AppCompat.DrawerArrowToggle">
<item name="spinBars">true</item>
<item name="color">@android:color/white</item>
</style>

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Put this code in your activity

toggle.getDrawerArrowDrawable().setColor(getResources().getColor(R.color.grey));