Opportunity is missed by most people because it is dressed in overalls and looks like work. - Thomas Edison
What is the best way to substitute TEAL for the Purple on this pickup with Photoshop (CS2 if it matters) and still retain the highlights and gradients?
Another way would be to DESATURATE that area, in other words make it grayscale, and then make a new layer using Overlay mode, and fill the selected area with Purple.