The 1997 version of the IAT (the test you're talking about) actually used names associated with Black and White American people.
Interestingly enough, there was one paper that concluded that some of the responses to the test was driven by the prior associations between the colours themselves, rather than the racial part.
Interestingly enough, there was one paper that concluded that some of the responses to the test was driven by the prior associations between the colours themselves, rather than the racial part.