Lotus Bud Egg Flatcolor

NOTE: The concept for this dragon is by a Dragon Cave Forumite known as Kittygrl

I'm actually kind of proud of this. This is some of the best flat color spriting I've done in a while. This is an egg for a dragon that will be in Dragon Cave (link here: [link]) called the lotus dragon.
I started off with a basic egg (example here: [link]) but I'm not sure what to do when it comes to shading. Based off the following pictures:
Lotus Bud: [link]
Dragon (female Lotus Dragon): [link] - Sprite By Raistardragon, who is amazing. Her personal site is here: [link]