“But of course when you look at Confederate soldier pensions, benefits etc, you can't find a single colored soldier.”
However, here are two lists of Colored Pension applications. I’ve tried a spot check of names and could not locate any in the CSRs. None the less, I’m rather sure quite a number were approved having served alongside their Masters.
African American ("Colored") Confederate Pension Applications”
https://sos.tn.gov/products/tsla/african-american-colored-confederate-pension-applications
………
Confederate Pension Records - Colored
http://blackconfederatesoldiers.com/tennessee-state-records.html