My favourite color is purple because it is in between blue and red
it's between them? how it it between them?
Yes it is intermediate between blue and red.
intermediate. I wonder how they came up with that one.
From history Purple was the color worn by Roman magistrates
was it really. I wonder why they did that.
It is also an important color in japan because  the color is traditionally associated with the Emperor and aristocracy
the emperor. That is cool. And does he still do that??
Do you mean Emperor Xuanzong of Tang?