What were the colors of the Luna Wolves at each time they changed their name? When they changed their name, what was the time peroid (era)?
What marks of armour did the Luna Wolves have?
Most of the answers can be found in this thread.Index Astartes: Luna Wolves
As for your armour question, the legion had recently been issued Mk. 4 around the time of the Ullanor Campaign.As for anything specific, I'd suggest reading the novels, using wiki or going through the threads in the Luna Wolves legion area that already address these issues.