I love the colour blue - it's one of the primary colours
Blue is pretty and there are so many shades from Navy blue to light blue
There are!  Interestingly, ultramarine does contain some violet, while azure has a bit of green!
Oh you know a lot about this, tell me more
Well, I only just realized that blue eyes can be explained by something called Tyndall scattering - I think that's fascinating!
What is tyndall scattering?
It is light scattering by particles in a colloids or in a very fine suspension - it is also sometimes referred to as Willis–Tyndall scattering
Oh ok do you know what causes color blindness?