I spotted the following interview quoting from TV Zone magazine with Tim Russ talking about what it means to be "the black Vulcan".
Tim Russ knows the reality of his place in Star Trek: Voyager. Whether he likes it or not, his character, Starfleet Tactical-Security Officer Tuvok, is the next big Vulcan, but Russ, ever the candid individual, knows that simply being a Vulcan is not the big hook.
“I’m being pushed as the black Vulcan,” chuckles Russ. “Look at me. I am black. It’s something I can’t get around so I might as well use it to my advantage. I don’t feel uncomfortable being pushed that way. It’s not like the question isn’t going to be brought up so I might as well accept it.”
Inspired by this (alas, now deleted) question, were there other black Vulcans found elsewhere in the Star Trek canon, especially any that pre-date Tuvok/Voyager?