As Deusovi pointed out in the comments, it's a repeating 5x5 block, so I focused on those 25 pixels. The hex values I found for those are
However, I noticed in the description that
The buddy's name is Garrick B. Raad - GBR. While numeric representations of colors are RGB - so he likely rearranged the values to match his name.
After readjusting accordingly, I found that the new hex values were
Converting that to ASCII, we get
About that.. I might've punched her in the face while roleplaying Link
Whatever floats your boat, man.