I was thinking of it as instead of one option to just make something stand out, I'd use the colors to help signify how critical the highlighted text was.

I was thinking a light red, yellow and green. It looks like I could just modify the css to switch to a different color in general, but having multiple options would take away from the simplicity of the syntax.

If this is wrong place for this I apologize in advanced, but it would be really nice to be able to specify a highlight color.