As I stated in the Clay thread, text, be it email, forum, website, what-have-you, does not give the audience the benifit of inflection, to which sarcastic tone is the main difference in common vocal communication. Green, or oragne, or whatever colour font, is to imply that sarcastic tone.
Someone pointed out that they thought it was more to say, "hey, look over here, I'm being sarcastic". This is not the case, at least not when I use it, but I can understand why it would be in a visual only medium.
I would hate defend a stance I don't actually have, because someone thought that something I said was taken litterally, and I didn't use some colour to show sarcasm.
Would italics work better? (notice no colour nor italics)
Sometimes in a visual only medium, it is next to impossible to tell sarcasm, period.
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