"green" works. That's the color of new immature cheese.
Note, that "Eugene could win" is as
absurd a notion as "rain fall[ing] up" and "the moon [being] made of green cheese."
The phrase "the moon is made of green cheese" was coined in the sixteenth century, attributed to John Heywood in his Proverbes (1546), in which "green" refers to "new"
immature rounded cheeses with a mottled surface and color similar to that of the moon.
Here's a photo (scroll down to where it says "
A piece of the moon?"):
http://www.cheesemonthclub.com/pastn...rs/vol6no4.htm
Note, the "green" in that photo is mighty vibrant; there are other green cheeses that are greyish-green in color.