How to Use PostalEASE to Manage Your FEHB EnrollmentBlue Lite is a user-friendly online platform provided by USPS. It is designed for convenient access to worker perks, timetables, salary, and other. Using Lite Blue, USPS employees can stay well-informed about their job details, connect with colleagues, and handle various HR tasks. Liteblue USPS aims to simplify USPS operations and form a more effective work environment.