Head behind the Temple of Avalon and find Elyna. She will offer you a quest for each piece of colored armor.
For the Helm:
You must be level 150
You must have 1 Mystical Headband of Wind
You must have 1 Silver Spoon of the Prophet
You must have 3 Iron Key
You must have 2 Spoons
You must have 2 Potion of Fury
You must have 200,000 gold coins
You must have 1 original Ocean Helm
For the Breastplate:
You must be level 150
You must have 2 Archer's Cloak
You must have 1 Potion of Deific Healing
You must have 5 Demonic Tree Leaf
You must have 2 Straitjacket
You must have 1 J3 permit
You must have 500,000 gold coins
You must have 1 original ocean breastplate
For the Gauntlets:
You must be level 150
You must have 2 Scroll of Minor Combat Sense
You must have 1 Helm of Clairvoyance
You must have 2 kraanian eggs
You must have 2 Gleaming Shard
You must have 3 brooms
You must have 500,000 gold coins
You must have 1 original ocean gauntlets
For the Leggings:
You must be level 150
You must have 5 Critical Healing Potion
You must have 2 Elven Chainmail Leggings
You must have 1 H2 permit
You must have 2 Scroll of Recall
You must have 2 Sapphire Bracelet
You must have 1 High Priest Robe
You must have 350,000 gold coins
You must have 1 original ocean leggings
For the Boots:
You must be level 150
You must have 2 red book
You must have 3 raw crystal
You must have 5 Shimmering White Robe
You must have 1 Jade Ring of Sorcery
You must have 3 Magic Lute
You must have 3 Ring of Faith
You must have 1 Scroll of Invisibility
You must have 1 H2 permit
You must have 1 Madrigan Key
You must have 350,000 gold coins
You must have 1 Original Ocean Boots
Follow the key words until she trades you your game for a color of your choice.