All reasons are due to dreams. Any similarity is purely coincidental.
Pure black must also be matched with pure white. Gray is just a blend, not ugly, because its other name is silver. The friend of silver must be gold. Gold is luxurious, elegant and loved by everyone.
Black, white, silver and gold can separate and separate all colors. It's a classic and it's timeless.
The sun is golden, the moon is silver, the universe is black, and we are white.