That last 1/4? Yeah, it's black.
If you have white in your ancestry, you have black in your ancestry, too. It's a fact.
“…Judge not what a man has done, but judge what he could have done if he was a different bloke altogether. For art thou a leper? And a leper can changeth his spots…” --Rudy Wade, Misfits (Series 4, Episode 8)