my favourite colour is purple, Whats yours?
I love blue, but purple is also nice, since its an intermediate between blue and red.
True, I just love the varying shades, especially the way they express themselves in flowers
Then you might not be surprised to know that purple is the color most often associated with royalty, magic, mystery and piety!
That is surprising! is there any paticular reason for this?
Yes actually, purple was the color worn by Roman magistrates; it became the imperial color worn by the rulers of the Byzantine Empire and the Holy Roman Empire. Pretty neat, huh?!
That is very interesting, what time period was that in? 
During the Byzantine era, which was centuries ago. Even Similarly in Japan, the color is traditionally associated with the Emperor and aristocracy! 
Wow, are there any other colours commonly associated with royalty?
Purple
Purple is a color intermediate between blue and red. It is similar to violet, but unlike violet, which is a spectral color with its own wavelength on the visible spectrum of light, purple is a secondary color made by combining red and blue. The complementary color of purple in the RYB color model is yellow.
According to surveys in Europe and North America, purple is the color most often associated with rarity, royalty, magic, mystery, and piety. When combined with pink, it is associated
fragrant flowers, (similar to roses, and violets,) bloom between March and May.
The flowers are very variable in colour, they are Polymorphism (biology)|polymorphic, they can come in shades from white, yellow, blue, lilac, to violet. They also can be bi-coloured. The flower also can very rarely be pale yellow with violet veins, similar (but less than) to "Iris variegata". The most common colour is deep blue violet, or purple blue. The flowers are larger than