Bob Grove wrote:
In our modern, color age, we use color to record reality and B/W to make a statement. Both are well exposed photos of your subject. I view the color version as a reflection of the variety of stimulants active at night in that city, and the B/W to say that we are not impounded or suppressed by the darkness of night
Spot on. Color and B&W deliver different messages and the question is 'how well.' Technical points form part but not whole answer.