Blue is my color .It has a universal connotations
Blue is such a beautiful color. It has so many different shades.  I love royal blue and also turquoise! It's so calming.
It lies between violet and green on the spectrum of visible light
Oh really? I didn't know that! Both of my boys are colorblind and can't distinguish blue and purple, maybe because they're so close on the spectrum? 
Interestingly, most blues contain a slight mixture of other colors; azure contains some green,