The scholars from the Jesus Seminar published their Gospel using a color code. It was based upon the 'voting system' they used to determine the authenticity of the New Testament texts.
Another interpretation, which may be more helpful in evaluating the ratings provided by the Jesus Seminar scholars has recently been offered:
red: "That's the pacifist Rabbi we've been talking about."
pink: "Sounds like a reasonable middle-class liberal. Let's go with that."
gray: "I've completely misunderstood the obvious meaning of this passage in its lawful context."
black: "This would require becoming a Christian."
The Seminar adopted four categories as a compromise with those who wanted more. In addition to red, we permitted a pink vote for those who wanted to hedge: a pink vote represented reservations either about the degree of certainty or about modifications the saying or parable had suffered in the course of its transmission and recording. And for those who wanted to avoid a flat negative vote, we allowed a gray vote (gray being a weak form of black). The Seminar employed colored beads dropped into voting boxes in order to permit all members to vote in secret. Beads and boxes turned out to be a fortunate choice for both Fellows and an interested public.
Fellows were permitted to cast ballots under two different options for understanding the four colors.
Option 1:
red: 'I would include this item unequivocally in the database for determining who Jesus was.'
pink: 'I would include this item with reservations (or modifications) in the database.
gray: 'I would not include this item in the database, but I might make use of some of the content in determining who Jesus was.'
black: 'I would not include this item in the primary database.'
Option 2:
red: 'Jesus undoubtably said this or something very like it.'
pink: 'Jesus probably said something like this.'
gray: 'Jesus did not say this, but the ideas contained in it are close to his own.'
black: 'Jesus did not say this; it represents the perspective or content of a later or different tradition.'
One member suggested this unofficial but helpful interpretation of the colors:
red: "That's Jesus!"
pink: "Sure sounds like Jesus."
gray: "Well, maybe."
black: "There's been some mistake."
(The Five Gospels, pg 36,37)
Another interpretation, which may be more helpful in evaluating the ratings provided by the Jesus Seminar scholars has recently been offered:
red: "That's the pacifist Rabbi we've been talking about."
pink: "Sounds like a reasonable middle-class liberal. Let's go with that."
gray: "I've completely misunderstood the obvious meaning of this passage in its lawful context."
black: "This would require becoming a Christian."