texts: topic: Blue  <s> Yup! They are called primary because they cannot be mixed from other colors. They are the foundation. Also, cool thing to note, the sky and sea look blue due to Rayleigh Scattering
labels: That's interesting I think I've also heard of Rayleigh Scattering or some sort of scattering in graphics animation. I also heard that orange is the brightest color the human eye can see.