It symbolizes secret and hidden organization in our culture of China, and white symbolizes death and sadness..

In Korea, black means death and Korean Grim Ripper typically wears black from top to bottom. In old times, however, Korean people used to wear something light (white or beige) at funerals.

Yes, it is. Black colour means mourning, sorrow. Otherwise, according to researches, there are anothers meanings for black colour.

Also we put flags with black ribons as reminder of tragic events in history of our country. Like death of many people in fight for independence.

in India most people like bright and the most colorful colors you ever seen but in UAE people like black , it implies luxury ,strength and authority ... and i think of it in that way too .