Coloring help. ♥

and
(both icons by: powercorrupts)

For the first one, I wanted to know how to how to make her jewelery stand out with out making her skin red. When I attempted to do so, she resembled a lobster. =/

For the second one, I would like to know how to make the green and the red stand out without making the skin go all wonky.

I use PS CS3. Thanks in advanced. :)