In Parshas Teruma it mentions Argaman. The way it was translated in Yeshiva was purple. Is Argaman really purple? Shir Hashirim 7:6 says V'Dallas Roshech Ka'Argaman. Rashi, Rashbam, Even Ezra, ...
In the entire Tanach the moon is generally called Yareach. There are 3 instances where it is called Levana. One is ישעיהו: כד. כג. וחפרה הלבנה ובושה החמה. Another one is ישעיהו: ל. כו. והיה אור הלבנה ...