After messing around with material values, I was finally able to edit the emission color of the mask´s eyes. It comes in red, green, blue, cyan, orange, vivid orange, white and yellow.
Note to modders: RGBA values are saved in the UEXP file in Big Endian format as a 4 byte Float, therefore we have 16 bytes total (4R 4G 4B 4A). For example: a completely red color is stored as:
