Take your base:


Hue & saturation: master sat +20

New fill layer: #ffff00: soft light

New fill layer: #1b2932: exclusion

SELECTIVE COLOUR:
RED: -100, 0, +100, 0
YELLOW: +100, 0, -69, 0
NEUTRAL: +57,0, -18, 0

CURVES:
RED: in: 19, out: 0; in: 217, out: 255
GREEN: in: 41, out: 0, in: 211, out: 255
BLUE: in: 59, out: 0, in: 176, out: 255


CHANNEL MIXER:
RED: +85, -24, +46
GREEN: -26, +135, -19
BLUE: -18, +23, +82


And that's it.

Here's the PSD