Which backgroundcolor does the Material Design 3 Navigation bar have in Google Apps?

According to the navigation bar documentation in Material Design 3, the navigation bar has the background color md.sys.color.surface.

I tried this in one app, but the Google Apps (Play Store, Photos, ...) seem to use a different color. Does anyone know what color Google uses here?

In Flutter, surface is implemented like this:

final Color surface = Color(neutrals.get(dark ? 10 : 99));