[dspillett]

> hyperlinks in prose is a color that's right at the just-noticeable difference

The problem with trying to achieve JND for online publishing formats is that you have to account for variable monitor settings and lighting conditions. What stands out on my monitors at home might be barely noticeable on the crap displays at the office or my laptop under some lighting conditions or when I have it set to low power.

On top of technological differences, you also need to contend with variances in people's eye-sight.

Underlining is far simpler and more reliable. Perhaps highlighting with an underline as the link is drawn or scrolls into view, and fading the underline out soon after, to be drawn again if the pointer hovers over the paragraph or the page scrolls, would work?