Double greater egos have their own special color (because player love colored loot!)

game/modules/tome/class/Object.lua

game/modules/tome/data/general/objects/egos/ammo.lua

game/modules/tome/data/general/objects/egos/amulets.lua

game/modules/tome/data/general/objects/egos/armor.lua

game/modules/tome/data/general/objects/egos/belt.lua

game/modules/tome/data/general/objects/egos/boots.lua

game/modules/tome/data/general/objects/egos/bow.lua

game/modules/tome/data/general/objects/egos/cloak.lua

game/modules/tome/data/general/objects/egos/digger.lua

game/modules/tome/data/general/objects/egos/gloves.lua

game/modules/tome/data/general/objects/egos/helm.lua

game/modules/tome/data/general/objects/egos/light-armor.lua

game/modules/tome/data/general/objects/egos/lite.lua

.../modules/tome/data/general/objects/egos/massive-armor.lua

game/modules/tome/data/general/objects/egos/rings.lua

game/modules/tome/data/general/objects/egos/robe.lua

game/modules/tome/data/general/objects/egos/shield.lua

game/modules/tome/data/general/objects/egos/sling.lua

game/modules/tome/data/general/objects/egos/staves.lua

game/modules/tome/data/general/objects/egos/weapon.lua