I must admit that personally I bought into this concept hook, line and sinker. When my two older daughters were small, I colored with them, and enjoyed doing it. I never realized the calming effect it had on both the girls and me.
My older daughter continued to draw; she especially drew mandalas and other geometric types of pictures. I was proud of her endeavors for they were truly beautiful. Years passed and any thought of coloring was far from my mind, then after my third daughter was born, coloring resurfaced. I was still too deeply entrenched in the line between childhood and adulthood that I resisted the draw of the crayons.
Children are fascinated by colors. Since they are relatively new to this world, and are exceedingly curious and perceptive, they consider each new hue and shade to be exquisite and exceptional, unlike us, who have learned to take all the colors in the world for granted, and dont even look twice at any new shade as such, believing it to be just another part of the surrounding environment.