>>2670 I was shocked by the number of readers who didn't get this
>>joke. Babylon 5 was blue, Babylon 4 was green - doesn't anybody teach
>>the rainbow spectrum in grade school any more?
>
>I'd always learned it as ROY G BIV, and while close, purple is not
>exactly the same as indigo. But eh, they can't all work out for
>everyone.

Eh. As far as I'm concerned, indigo was just forcibly shoehorned in, to pad the list to the "magical" number seven.