Blue is a great color, and one of the three primary colors 
Blue is a fantastic color! And it's actually my favorite color as well.
It's awesome, it lies between violet and green on the light spectrum
Ohh interesting! Blue comes in lots of different shades though. I'd say my favorite is either Navy Blue or Baby Blue.
Those are great colors. Distant objects may appear to be more blue due to atmospheric perspective.
Interesting...is that why the sky can be different shades of blue at certain times?
That is a different optical effect called Rayleigh scattering.
Ohhh interesting! What makes our oceans appear blue?