PZ 1000 CH ALL NIGHTER

It was a dark, cool night, lit by the crescent moon. The cowboy made his way across the valley to a nice spot where he could brew some coffee by a campfire. With a posse chasing him, and wild creatures roaming, he can't risk being caught asleep; he just needs a little more wake-up juice to pull an All Nighter.

Half the puzzle being blue makes this a challenging puzzle, but completely solvable. The different hues will be huge help to sort this one out.