Based on a warforged I made to play in dnd (Dungeons and Dragons).
Using references from medieval helmets used during the crusade (the wars of the cross)
As well as the reference of the Stormcloak soldier skin made by although I didn't use it much. Here is a link to the skin: Stormcloak soldier
I also used this as reference:

Hope you enjoy this skin the colour palette for everything except the cloak here: Warforged colour palette.