The idea behind this program is probably not to show you when your passwords 'match' but to show you whether your password is correct. E.g. If you see the colo

The idea behind this program is probably not to show you when your passwords 'match' but to show you whether your password is correct. E.g. If you see the colors of your password everytime you log in, you will probably learn that your password is correctly typed if you see the colours purple-green-olive. Whenever you spell your password incorrect (and thus see 'blue-pink-black' for instance) you will notice it immediately, without pressing the 'login' button and being presented with a (not so nice) "Invalid username/password" screen.