Yes, I also thought the GP comment was strange. The picture I had in mind was this, which seems to be what William Gibson intended:
http://www.sensesfive.com/wp-content/uploads/tvstatic.jpg
Not that author intentions matter at all.
http://www.sensesfive.com/wp-content/uploads/tvstatic.jpg
Not that author intentions matter at all.
Looks green like this: https://www.youtube.com/watch?v=_uz5hS5cJW0&t=49s
"I’d actually composed that first image with the black-and-white video-static of my childhood in mind, sodium-silvery and almost painful..."
So, not green.