I think this would be really cool as a subscriber option, to choose your skin from a color ring and then choose the darkness or lightness or saturation of it. The same thing for hair and eyes would be really cool as well, and these features would make it alot easier to match your clothes to you characters color scheme, which could add up to people buying more clothes because they can see more appealing color combinations. And then maybe other types of skin that you could buy, like zebra stripes, or tiger print, or ghost skin that makes you transparent, or polkadot skin, glowy skin etc. I feel like the customization options are really cool and the new ones added for the face make it even better, but just these few changes would an enormous amount of variety and make the individual characters look even more unique. I feel like if this was feasible (I don't really know any of the logistics involved, and I imagine this might be alot harder to implement than it sounds) you could make it apply to atleast certain items as well. I found it very hard to find a matching pair of shoes for my character even with the "Free with subscription" options at my disposal.