func setupSearchController() {
    searchController.searchBar.placeholder = "Search Routines"
    navigationItem.searchController = searchController
    searchController.searchBar.setupSearchBarAppearance()
  }

func setupSearchBarAppearance() {
    if let textfield = value(forKey: "searchField") as? UITextField {
        if let backgroundview = textfield.subviews.first {
            backgroundview.backgroundColor = UIColor(red: 49/255, green: 69/255, blue: 89/255, alpha: 1.0)

            backgroundview.layer.cornerRadius = 10;
            backgroundview.clipsToBounds = true;
        }
    }
}

func setupSearchBarAppearance() {
    if let textfield = value(forKey: "searchField") as? UITextField {
        if let backgroundview = textfield.subviews.first {

            // Changing this to a default color works
            backgroundview.backgroundColor = UIColor.green

            backgroundview.layer.cornerRadius = 10;
            backgroundview.clipsToBounds = true;
        }
    }
}