I have some illustrations from a client (drawn with colored pencil) for a book. I've scanned the images into my computer but they used some funky neon colors in the illustrations and they are not showing up correctly on the computer. I'm wondering if there is a way to correct these colors in photoshop or if my scanner is just not picking up the color range.
I've tried all the standard color correction methods ...Curves, Levels, Selective Color, Hue/Saturation and Color Balance... these all definitely help the image appearance of the image but the bright neon colors just aren't coming through...

