The different levels of six sigma certification are a white belt, yellow belt, green belt, black belt, and master black belt.
White belt- White belt is the basic level of the six sigma course that gears knowledge toward lean six sigma that involves improvement, process, performance etc.
Yellow belt- Yellow belt signifies basic methodologies of the six sigma course that advances candidates' knowledge of important tools and techniques metrics.
Green belt- Green belt equips candidates' knowledge on how to prepare charts, and maps for six sigma within the organization.
Black belt- Black belt is the advanced level certification which allows candidates to perform multiple regression, business process optimization and experiments on factorial demands.
Master black belt- Master black belt is the highest level of six sigma certification and it advances one knowledge of the six sigma domain. Master black belt focuses on statistical methods and six sigma projects.