Here is my tab bar:

The following image shows the program being run an
For Image:
custom.tabBarItem = UITabBarItem(title: "Home", image: UIImage(named: "tab_icon_normal"), selectedImage: UIImage(named: "tab_icon_selected"))
For Text:
UITabBarItem.appearance().setTitleTextAttributes([NSAttributedString.Key.foregroundColor: UIColor.gray], for: .normal)
UITabBarItem.appearance().setTitleTextAttributes([NSAttributedString.Key.foregroundColor: UIColor.red], for: .selected)