Board Thread:Speculation House/@comment-11188061-20131230160446/@comment-16502426-20131230194437

I think it may just be that black doesn't blend in very well as an eye color, and would instantly bring up suspicions. Although I suppose done correctly it could look natural.

Interestingly, along the "windows of a soul" thing, Ruby's silver eyes can be seen as the most plain eyes possible, yet probably particularly rare. That could very well go with the "simple soul" thing.