Is: Seen in a colour, something you can have one, two, three or four of, something I can see with my own eyeballs, something you can see with your own eyeballs (barring vision problems), seen in text of numbers and/or letters. Is not: A shrubbery, green in any way, directly equippable, a worn item, an ornament, something you could take down and pass around, an item, a creature, a spell effect, something a toon can see with their own eyeballs, something that you can make go away if you have a problem with it, round, a tumbleweed familiar, the aggrometer, have corners, a title.
Is it, or was it, in any way related or linked to a particular expansion regardless of if that expansion totally sucked or was the greatest thing in the world?