Protecting LiteBlue USPS News LinkBlue Lite is a user-friendly online platform provided by USPS. It is created for trouble-free access to worker perks, timetables, payroll, and other. Using Lite Blue, USPS employees can stay informed about their job details, connect with colleagues, and handle various HR tasks. Lite Blue USPS aims to simplify USPS operations and form a more productive work environment.