[flip]

Originally Posted by Superflyer

I thought that you would be fine with green text, but yellow text is something that would affect you......waiting for someone to get this joke.

I got it but I figure I should let everyone else in on the joke:

This Green Lantern was Hal Jordan, a test pilot who was given a power ring by a dying alien, Abin Sur, and who became a member of the Green Lantern Corps, an interstellar organization of police overseen by the Guardians of the Universe. The Corps' rings were powerless against anything colored yellow, due to a necessary impurity in the ring. Jordan's creation was motivated by a desire to make him more of a science fiction hero, editor Julius Schwartz having been a longtime fan of that genre and literary agent who saw pop-culture tastes turning in that direction.

and

Parallax was a creature of pure fear that had been imprisoned in the Central Power Battery by the Guardians of the Universe in the distant past. Imprisonment had rendered the creature dormant and it was eventually forgotten, becoming known merely as the "yellow impurity" in the power rings.

and

Because Parallax is a manifestation of fear, and yellow, none of the other Green Lanterns, including Hal, could harm Parallax and, therefore, came under his control. Kyle taught them to feel and overcome fear so they could defeat Parallax and incarcerate him in the Central Power Battery once again.

and

Stories in 2006 retconned the ring's long-established lack of effect on yellow objects, stating that the ring-wielder need only feel fear and overcome it in order to affect yellow objects.