Even a Venusian colony would be significantly more viable than mars.
Mars sucks. The moon sucks too. We need rotating space habitats. With gravity and hookers.
Mars sucks. The moon sucks too. We need rotating space habitats. With gravity and hookers.
Mars is infinitely more viable than anywhere in Venus for the simple fact that you are on solid ground with resources all around you.
Without orbital infrastructure shipping supplies in neither are viable.