auntblabby wrote:
gee, I wonder what chartreuse tastes like? or what periwinkle and orange sound like? I wonder what a low C on a pipe organ looks like? I am not sure if this qualifies as synesthesia but ever since I was a little boy I always "saw" faces of people in the analog clock face, depending upon the juxtaposition of the hour and minute hands.

I bet it's a version of this:
http://en.wikipedia.org/wiki/Pareidolia
That's an article on how people recognize images in random data. We're hard-wired to recognize and focus on faces; so when you see something vaguely face-like in an analog clock, you associate it with a face.
Besides, you can't be the only one who does this:
Disney's Cogsworth,
Beauty and the Beast.
Synesthetic experiences are different from person to person; there's no way to tell what one person's chartreuse tastes like from having another person tell you about theirs. It seems to be personal. Maybe there are trends, though, especially with numbers; synesthesia starts awfully early in life, and we are probably born knowing the difference between "few" and "many", but I don't think we have a concept of things like "seven" versus "eight" until we're toddlers. That's enough time for some culture to have trickled into our baby brains.