The "Sky" is blue the Ocean is blue, the blue ridge is blue. The color blue, attractive, calming, signifying sadness in art and on the mood ring, it also means "boy". "Looking at your blue eyes makes me feel calm", and it's not only true for me but for others. "The blue period", created to depict Picasso's sadness, but why is blue so attractive to so many people on Earth, and why is it used in art when people are sad? Because the color blue relieves pain causing the body and the mind to relax increasing endorphins in the brain.