NavigationBar color swift

let appearance = UINavigationBarAppearance()
        let textAttributes = [NSAttributedString.Key.foregroundColor:UIColor.white]
        appearance.backgroundColor = .systemGreen
        appearance.titleTextAttributes = textAttributes
        self.navigationController?.navigationBar.standardAppearance = appearance
        self.navigationController?.navigationBar.scrollEdgeAppearance = appearance
        self.title = "USA Coastal Boat Ramps"
        
        
        other stuff
        
        self.navigationController?.navigationBar.barTintColor = UIColor(red: 0.0/255.0, green: 84.0/255.0, blue: 147.0/255.0, alpha: 1.0)
        self.navigationController?.navigationBar.tintColor = UIColor.white
        self.navigationController?.navigationBar.titleTextAttributes = [NSAttributedString.Key.foregroundColor: UIColor.white, NSAttributedString.Key.font:  UIFont(name: "Thonburi-Bold", size:20) as Any]