From
to this 
1) Crop, sharpen, do whatever you need, you know the drill.
2) Colors > Curves(RGB) - First point: 113, 140; Second point: 54, 42

3) Colors > Hue/Saturation (Master)> Lightness: 17

4) Colors > Components > Channel Mixer - Put these settings in:
Red: 99.3, 1.5, -7.4
Green: -1.5, 173.3, 51.9
Blue: 16.3,-37, 105.2
EDIT: MAKE SURE THAT Preserve Luminosity is ON in this step.

.....and that's it! Ask if you have any questions.
1) Crop, sharpen, do whatever you need, you know the drill.
2) Colors > Curves(RGB) - First point: 113, 140; Second point: 54, 42
3) Colors > Hue/Saturation (Master)> Lightness: 17
4) Colors > Components > Channel Mixer - Put these settings in:
Red: 99.3, 1.5, -7.4
Green: -1.5, 173.3, 51.9
Blue: 16.3,-37, 105.2
EDIT: MAKE SURE THAT Preserve Luminosity is ON in this step.
.....and that's it! Ask if you have any questions.
