"Wert livid" is an archaic form of the word "were livid," meaning to be furious or enraged. Antonyms for this phrase could include calm, composed, peaceful, tranquil, or serene. Other opposites might be content, happy, pleased, or satisfied. Instead of being angry or heated, someone who is the opposite of "wert livid" might be indifferent, unconcerned, or apathetic. Alternatively, they could be compassionate, empathetic, or understanding, choosing to approach a situation with a cool head rather than a hot temper. No matter what the antonym, the opposite of "wert livid" would surely involve a sense of inner peace and emotional stability.