Livid has a colorful history. The Latin adjective lividus means "dull, grayish, or leaden blue." From this came the French livide and eventually the English "livid," which was used to describe flesh discolored by a bruise when it was first recorded in the early 17th century.
What does livid mean in British slang?
livid adjective (ANGRY)
extremely angry: He was livid when he found out.
Why does livid mean angry?
Then in the first half of the 19th century, livid came to mean “pale with rage or fury,” which is confusing because an angry person's face can just as well be described as “purple with rage” or “red with fury.” Livid finally acquired the simple meaning “enraged, furiously angry” in the late 19th century.