How to Use PostalEASE to Manage Your FEHB EnrollmentBlue Lite is a user-friendly online platform provided by United States Postal Service. It is developed for trouble-free access to staff perks, calendars, payroll, and more. Using Blue Lite, USPS employees can stay well-informed about their employment details, connect with colleagues, and organize various HR tasks. Lite Blue USPS aims to streamline USPS operations and form a more efficient work environment.