from this
to this
1. At first take
a picture and cropp it as you like. This is my initial icon.
2. In my case the picture is a little bit dark so copy the layer and set it to screen, 70% opacity. This step depends on your icon base.
3. Create a new selective color layer with this settings:
red: -60 +27 +2 0
cyan: +100 0 0 0
neutrals: -17 -1 +1 0
4.Create a new selective color layer with this settings:
red: -40 +5 0 0
5. Create a new channel mixer layer:
red: +112 +8 -18
green 0 +112 0
blue: 0 -4 +116
6. Create a new layer, fill it with #E5E5E5 and set it to multiplicity.
7. Now create a selectve color layer and set this settings:
neutrals: +37 +3 -9 0
8.Create a new selective color layer:
red: -13 -6 +30 0
neutrals: +25 -15 -30 0
.psd more examples:
more tutorials
here