Another with a yellow cast from the incandescent lighting - color balance in photoshop will fix you right up. Increasing the contrast, wither in camera or in photo shop would help, you dont have any true black in the image which means the tonal range is limited. Can you see a histogram on your camera? You need more on the dark end of the histogram. Also the light is so harsh, meaning that you have bright spots on each candy - for more even lighting you can use your exact set up but put a piece pf cloth , it a paper towel, or a tissue over the light source to diffuse the light for a more pleasing image.