You know I had thought about doing a pumpkin with a carved face and lit from within by a blue light on a black background:-) The orange of the pumpkin could be a richer hue if it was paired with a blue that is not a flat blue seen here in the sky (just a thought, perhaps if you had laid the pumpkin on a velvet cloth of royal blue it would have made for a richer hue on both colors). Also the hand holding the pumpkin detracts from the main focus which would have been just the pumpkin with the blue sky as a backdrop.