>However, there's no way of knowing which hexacodes are safe or not by
>looking at them (unless you've memorized them :) so you need to find a
>reference list. The best of the best, AFAIC, is here:
There are: Allowed are only the hex colours 00 33 66 99 cc ff in all 3
pairs. #003366 #ccff99 and so on.
(Doesn't work in Mozilla, I'll fix that soon)