What kind of nerds are in this thread?! Despite being late, I see no mention of the xkcd color survey: blog.xkcd.com/2010/05/03/color-survey-results/

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As far as I can read just by eye, its “mustard” or “olive”, but funnily it also seem close to the one someone annotated: “really? this color again? i have nothing against colors personally, but this one just stands out from the rest as unusually unattractive. i almost feel sad for it, but it made the decision to be that color so it has to find a way to deal with it.”

But, someone, feel free to dig into the hex codes to give a more definite answer.