[quote=@Hillan]
I mean, that sounds to me like something he wouldn't be able to do. The Haki turns it black. If it's not the visible color that counts, then Bogard would be able to affect everyone, since we've all got red stuff under the skin.


[/quote]

I think the counterbalance here is being able to at least get a clear visual of what he's manipulating. Apparently, there's also a distance factor.