Benefits Programs and Key Dates AboutuspscomLite Blue is a user-friendly online platform provided by USPS. It is developed for easy access to staff perks, timetables, payroll, and more. Using Liteblue, USPS employees can stay well-informed about their work details, connect with colleagues, and organize various HR tasks. BlueLite USPS aims to optimize USPS operations and form a more productive work environment.