What did the colors of Aztec masks mean?

The meaning of the colors of these religious masks is the following: Turquoise symbolized wisdom, immortality and nobility. The Aztecs believed that when turquoise was worn it would bring the mind in one with the universe. Red was the symbol of blood. Blood was considered sacred and required by the Aztec Gods for atonement. Yellow was symbolic of the sun which was of great importance to the Aztec religion.