google-material-design-icons/android/device/nightlight/materialiconsround/black/res/drawable/round_nightlight_24.xml

<vector xmlns:android="http://schemas.android.com/apk/res/android"
    android:width="24dp"
    android:height="24dp"
    android:viewportWidth="24"
    android:viewportHeight="24"
    android:tint="?attr/colorControlNormal">
  <path
      android:fillColor="@android:color/white"
      android:pathData="M11.57,2.3c2.38,-0.59 4.68,-0.27 6.63,0.64c0.35,0.16 0.41,0.64 0.1,0.86C15.7,5.6 14,8.6 14,12s1.7,6.4 4.3,8.2c0.32,0.22 0.26,0.7 -0.09,0.86C16.93,21.66 15.5,22 14,22c-6.05,0 -10.85,-5.38 -9.87,-11.6C4.74,6.48 7.72,3.24 11.57,2.3z"/>
</vector>