Black Label tents are the best choice if you want the most comfort and greatest ease of handling, and/ or if absolute all season strength is your highest priority.
Red Label tents are the best choice if you want general all season strength & stability and if light weight is your highest priority.
Yellow Label tents are the best choice if light weight is your highest priority and if you travel in the snow-free months and in protected terrain, or in warmer climates.
Blue Label tents are the best choice for all-season group use where either group sleeping shelter or gathering space is an important part of the trip.