Yellow has always been to me an empowerment color. It's the color of the mind and intellect. According to empower-yourself-with-color-psychology.com "This color relates to acquired knowledge. It is the color which resonates with the left or logic side of the brain stimulating our mental faculties and creating mental agility and perception.
Being the lightest hue of the spectrum, the color psychology of yellow is uplifting and illuminating, offering hope, happiness, cheerfulness and fun. In the meaning of colors, yellow inspires original thought and inquisitiveness. Yellow is creative from a mental aspect, the color of new ideas, helping us to find new ways of doing things. It is the practical thinker, not the dreamer.
Yellow is the best color to create enthusiasm for life and can awaken greater confidence and optimism. The color yellow loves a challenge, particularly a mental challenge. Within the meaning of colors, yellow is the great communicator and loves to talk. Yellow is the color of the networker and the journalist, all working and communicating on a mental level."