expand_less Ela is the color of spirituality and faith.  faith.  It's the sum of your principles and values, enshrining your moral and ethical code of conduct.  Essentially it describes the intentions, if not the means, by which a person chooses to act.
With Biz, Ela serves as life-giving water or the cold chill of winter.  It also describes creatures that inhabit those habitats, such as swimming creatures.
With Rha, Ela helps define your character or personal style.  Some believe that these are the base colors of the soul, or that they're the basis of one's social life and interactions.
With Vei, Ela carries the additional weight of honor and betrayal.