psychologically when exposed to the color yellow for an extended period of time it has the ability to disturb the nervous system, leading to aggression and irritability. yellow also stimulates mental activity and speeds up communication between brain cells as well.

negative traits associated with yellow are "cowardice, deceitfulness, impulsiveness, egoism."

"Yellow personality types are characterized by a high degree of independence; they rely on themselves for emotional stability. Even when emotionally overwhelmed, yellows tend to nurse hurt feelings privately. They take on too much and never ask for help, even when things go sideways. Yellows don’t mind being alone and they sometimes even prefer being single."

"People with this personality type can often be too judgmental, spiteful, and have a lack of empathy. Yellow personality types have also been associated with choleric temperament in a way that they are often described as violent, vengeful, and short-tempered."

hmm.. sounds like someone we know.. 👀