app/src/main/res/drawable/rectangle_4_shape.xml
<?xml version="1.0" encoding="utf-8"?>
<!-- rectangle_4 from your XD file. -->
<shape xmlns:android="http://schemas.android.com/apk/res/android"
android:shape="rectangle" >
<solid android:color="@color/planning_for_the_day_color" />
</shape>