Nanbu Shikon Zome (南部紫根染め)
This is in Iwate in Northern Japan.
A violet color is very deep and beautiful.
It is made by roots.
It takes long time to dye it and is difficult to grow this roots.
The way to dye calls Koukechi in long long time ago is kind of Shibori (tie dye) .
It was not allowed to wear this textile by law because of too expensive.
So only royal people was wearing all of ancient amazing textile in Japan too.