What tools does the LLM have access to that would reveal sub-token characters to it? This assumes the colorblind person both believes it is true that they are

What tools does the LLM have access to that would reveal sub-token characters to it? This assumes the colorblind person both believes it is true that they are colorblind, in a world where that can be verified, and possesses tools to overcome these limitations. You have to be much more clever to 'see' an atom before the invention of a microscope, if the tool doesn't exist: most of the time you are SOL.