Green expresses itself psychologically as human will in operation: as persistence and determination. Green is an expression of firmness and consistency. Its strength can lead to a resistance to change if it is not proven that the change will work or is warranted. Those with Green as a Primary Color value their intellect and capabilities above all else. Comfort in these areas creates a sense of personal security and self-esteem.

Green characteristics seek to increase the certainty of their own values through being assertive and requiring differences from others in intellectual areas. They are rarely settled in their countenance, since they depend upon information rather than feelings to create a sense of well-being. Green expresses the grounding of theory and data in its practical applications and creative constructs.