Arion ater
Arion ater, the black slug, is a large terrestrial gastropod mollusk in the family Arionidae, the round back slugs.
Read on WikipediaDark as a slug on a damp night, even if it's not always black.
Black Slug is a black, close to brown.
It can be described as dark, dim, somber and gloomy.
Set in white, because white reads best on it.
Arion ater, the black slug, is a large terrestrial gastropod mollusk in the family Arionidae, the round back slugs.
Read on WikipediaSlug or land slug is a common name for any apparently shell-less terrestrial gastropod mollusc. The word slug is also often used as part of the common name of any gastropod mollusc that has no shell, a very reduced shell, or only a small internal shell, particularly sea slugs and semi-slugs.
Read on WikipediaBlack is a color that results from the absence or complete absorption of visible light. It is an achromatic color, without chroma, like white and grey. It is often used symbolically or figuratively to represent darkness. Black and white have often been used to describe opposites such as good and evil, the Dark Ages versus the Age of Enlightenment, and night versus day. Since the Middle Ages, black has been the symbolic color of solemnity and authority, and for this reason it is still commonly worn by judges and magistrates.
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