The colors are nice Maureen, you just need more saturation. It does not have much form at the moment because it needs a range of tones from dark to light to convey form. Lighten the area around the highlight so it is softer. The cast shadow is getting there. It needs to be darker at the subject edge and transition lighter as you have done, but overall the shadow should not be as dark. Also make sure it goes back at a 45 degree angle.
The colors are nice Maureen, you just need more saturation. It does not have much form at the moment because it needs a range of tones from dark to light to convey form. Lighten the area around the highlight so it is softer. The cast shadow is getting there. It needs to be darker at the subject edge and transition lighter as you have done, but overall the shadow should not be as dark. Also make sure it goes back at a 45 degree angle.