Black is an aesthetic that relates to the color black. It, like many of the colors, can tie into multiple aesthetics.
In Japan, it is associated with the color of eyes and hair. It's fashion consists of features of traditional Japanese craftsmanship and minimal design. Black men's jeans are especially popular in Japanese fashion.
The color black has many meanings. Some are negative, and others are positive.
According to BournCreative, it relates to:
Many people throughout history associate the color with:
Its opposite, White, is associated with lighter things, such as light, goodness, and purity.