Stock tutorial
Both icons are made in Photoshop CS.
The first result uses Selective Coloring, the second one was made without Selective Coloring and uses only Color Balance, Curves and fill layers.
-> 
or 
@ fangirls_inc
The first result uses Selective Coloring, the second one was made without Selective Coloring and uses only Color Balance, Curves and fill layers.
-> or @ fangirls_inc