Finally done. Got sick of getting interrupted (by the need to sleep and laziness and such things) while doing this.
I based my colours for this on some reference images, which broke a bunch of what I considered to be "rules" for choosing colours. For a while I was thinking "lol this totally won't work", but it does, so it just goes to show what I know about colour theory.
Pretty happy with the lineart and skin shading. The hair is ok for the time involved in doing it, but I haven't any idea how to improve on it :(