Coldweather Dye Module
The Coldweather Dye Module originally could be found on the Cartel Market, Cartel Packs or Dye Packs. Due to the random nature of Cartel Packs and Dye Packs, there is a low chance of receiving any specific dye from these packs, it is recommended to instead buy the Coldweather Dye Module from the GTN from other players.
When you use the Coldweather Dye Module, it will dye the primary dye section of your armor Coldweather Dark Blue, and the secondary part of your armor Coldweather Light Blue.
All dye modules are one-use, so once you've added a Coldweather Dye Module to your armor, you will not be able to remove it and reuse it later.