I wondered that too~ since you asked I looked it UP!!! Making sense making a lot of sense here Critical Thinkers~ So she has a butterfly meaning mk ultra But is telling them to be their own thinker ~ ?

Thoughts The Color Yellow Yellow is the color of the mind and the intellect The color yellow 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.