Users can find this pattern when logging into Pera wallet. The icon located above the password field turns red and displays an X mark as soon as the user starts typing the password. When the correct password is entered, the icon changes to green and displays a checkbox, indicating that everything is fine and the user can proceed further. What's impressive about this interaction is that it eliminates the need for a message to inform the user that the password entered is incorrect. The colors and icons are very effective in conveying the message.