pecifies professionalism (Gob’e, 2001).
In the research of human media interaction (HMI),Nijdam (2009) utilized certain color area theories to introduce color characteristics and emotions. In the first color theory, Goethe (1808) proposed the concept of a color circle that separates colors into positive and negative parts. Positive colors include yellow, orange, and red that represent conspicuous, vivid, and ambitious. Negative colors include blue and purple that represent obedient and admirable.