Using PSP8. most likely translateable.
Prep your base. Normally, I crop, resize and sharpen mine. Depending on how dark it is, sometimes I duplicate it and set to to screen. In this case, I duplicated it and set it to Screen at 60%.
New Color Balance layer.
Midtones: 40, 27, 0
Shadows: -50, 21, 51
Highlights: 0, 0, -20
Make sure Preserve Luminance is checked.
New layer. Fill with #9FC3F5 </font>(). Set on Softlight at 50%.
New Layer. Fill with #DEF5B7 (). Set on Softlight at 50%.
New Layer. Fill with #100B4F (). Set on Screen at 52%.
New Layer. Fill with #F9F0E5 (). Set on Burn at 100%.
New Layer. Fill with #F6A788 (). Set on Softlight at 100%.
New Layer. Fill with #DBDBDB (). Set on Burn at 100%.
New Hue/Saturation/Lightness Layer. Set Saturation to +30-50 (depends on image). On this icon, I set Saturation to +40.
Optional, Step 10:
I decided I wanted to give it an older look, so I took a lovely scratchy texture (by rxyangl) and moved it around until I found a spot I like, then I set it to Screen at 100%.
Other icons made with this technique:
I would LOVE to see what you made out of this. :)