purpleskinned
Purpleskinned is an informal adjective used to describe beings, individuals, or objects whose skin displays a purple hue. It is not a standardized medical or scientific term. In print, the form purple-skinned is more common in formal prose; purpleskinned may appear in stylized writing, fantasy or science fiction, or as a coined proper noun in a fictional setting.
When applied to humans, purple skin is usually a temporary or incidental description rather than a diagnosis.
In literature, film, and game media, purpleskinned characters are a common trope used to convey otherness, alien
Etymologically, the term combines purple with skin; hyphenation is common, though purpleskinned as a closed form