All I did was dumping the texture and recoloring it into black and brown, mainly because the original shade of white doesn't fit with any of the chest pieces that I like.

Instructions:
-Extract the contents
-Choose one of the two colors
-Drop the .dds file you choose into this folder: GeDoSaTo\textures\DarkSoulsII\Override
-Requires Gedosato with texture override enabled
-I have texture settings to "high" if that does anything