The colour yellow relates to acquired knowledge. It is the colour 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 colour psychology of yellow is uplifting and illuminating, offering hope, happiness, cheerfulness and fun.
In the meaning of colours, yellow inspires original thought and inquisitiveness.
Yellow is creative from a mental aspect, the colour of new ideas, helping us to find new ways of doing things. It is the practical thinker, not the dreamer.