Hello everyone! I’ve made a video on how to customize the colors/clothes the player has (for games similar to an RPG). I’ll leave the video below for those who are interested! 
I do upload several BGE tutorials a week, so if you want updates don’t forget to subscribe to my YouTube channel! 
My YouTube Channels:
Arsenal RSL (main tutorial channel):
https://www.youtube.com/channel/UC8fEnP9462piEg4xa3xNHOA
Iconic games and game lists (My other random gaming channel):
https://www.youtube.com/channel/UCgNvxNxw_JgkGJne7vKnL7g
My BGE Tutorial Playlist:
Character Customization Videos:
Blender - Customize Player Clothes/Color (Python - part 1)
Blender - Load Player Colors & Clothes (Python - part 2)