Surrounded by Idiots: The Four Types of Human Behavior and How to Effectively Communicate with Each in Business (and in Life)

by Thomas Erikson

While Reds are stressed performance seekers, Yellows are creative bon vivant guys, and Blues are perfectionist Knights of Excel Spreadsheets (see pages 13 and 14), Greens are the most balanced. They counterbalance the other more extreme behavioral traits in an elegant way. Hippocrates called them phlegmatic people.