react-native-keyboard-controller/android/src/main/res/values-v35/colors.xml

Keyboard manager which works in identical way on both iOS and Android

<resources>
  <style name="gboard_dark">
    <item name="color">@android:color/system_neutral1_900</item>
    <item name="tone">4</item>
  </style>
  <style name="gboard_light">
    <item name="color">@android:color/system_neutral1_50</item>
    <item name="tone">-3</item>
  </style>
</resources>