LiteBlue USPS Official LiteBlueUSPS Gov PortalBlueLite is a user-friendly online platform provided by United States Postal Service. It is designed for trouble-free access to staff benefits, timetables, salary, and other. Using Blue Lite, USPS employees can stay informed about their employment details, connect with colleagues, and organize various HR tasks. Blue Lite USPS aims to simplify USPS operations and establish a more effective work environment.