He knew he wanted it be "masculine" and he had seen these shades of green/grey that he liked. So he put them against the wall with some art he planned on using. He finally decided on the color on the left called "Thunderhead"
He knew it would be too dark to do all four walls so he chose the lighter accent color too. Im not sure its name but it ended up being almost a grey white. I think it turned out great, and he seems to really love it!
Ah, you can see here a perfect example of how guys are easily satisfied. He has neon green sheets, and no bed skirt. But hey all you do is sleep in it right? boys.