All the times her daddy appeared on TV, you'd think she would have paid attention to this one cardinal rule. If you dress like a green screen, you shall be treated as a green screen!
The fact is, ANY COLOR can be ultimatted to work this way but convention and agreement chose the one particularly bright, almost day-glo green, as the preferred choice because, aside from a few determined leprechauns and some avid Masters Tournament championship golfers, no one in their right mind dresses in that color.
No one in their right mind...
You CAN wear many other shades of green, but if you get too close to that one particular shade, it's like waving a red flag in front of a bull.
Video editors almost instinctively type CTRL+ALT+c or Windows+c on their DV edit keyboards.