It's very hard to see the lineart for the skin color. I have no problems seeing the lineart for the hair or the clothing, but the skin to me seems to be blending in all with one color, like some kind of strange vector.
I like the fact you put the back of the hair in a darker color to show depth. Perhaps do the same thing with, say, the neck? Choose a darker skin tone color that also has some other hues. I personally like using a slightly reddish hue with my skin shade color, but I've seen it pulled off with an orange/brownish and even purple.
Anyway, I'm not digging where the girl's legs were cropped at. One of the biggest no-nos of design/composition is cropping off a body part at the joint. Why? Because it makes them look like amputees. If you crop at mid-thigh or mid-calf instead, it will imply that there is "more to the body" left. Cut it at a joint and you'll have problems.
I'll butcher my character just to show you. Here.
Here's cut mid-calf.
Now here's cut at the knees.
The first one feels like there's more left to the eye, that you're fully aware that this is cropped. The second one makes her legs look like it ends right there, in weird stumps. Get what I'm saying?