Shoes 2 very patent / shiny (especially going down interior stairs). Shoes 3 different shade, more matt.
Men do have increased incidence of colour- blindness, even in those not colour-blind colour differentiation is typically not as good as females. Virtually all tetrachromats are females.
https://www.skeptical-science.com/science/can-see-nobody-else-can-see-tetrachromat/