The most likely label of this posterior is the maximum likelihood estimate (MLE).
we track how often the MLE color label is what the user actually said as 5 the histograms are of size (90,10,10), (45,5,5), and (1,1,1) across Hue, Saturation, and Value with interpolation weights of 0.322, 0.643, and 0.035 respectively.