I suppose some may say they are 'antique', so closer to your dark brown/light ebony.
For those that remember the Clark's two-tone brown/black longwings I picked up some months ago... I've still not worn (or polished) them but I'll have a go in the autumn and see what I can do to get them one significant colour.
Edit - Link: http://www.styleforum.net/t/89027/mod-to-suedehead/19245#post_7573746
I need help, I keep buying shoes I've not worn and I'm getting like Imelda...