I'm all for using formatting strategically, but if it gets in the way of clear communication then what's the damn point? Just keep it clean and simple - you can get your point across without turning your post into a circus poster.
Actually what you are saying is that your Signature is a circus design!
Well, it worked, didn't it? Mission accomplished!
for now I like green
Good choice! It suits you.
(One day you'll blossom into a real adult, I'm sure of it.)