There are many different types of carrots, coming in different shapes, sizes, and colors. You have imperator carrots with their long roots all the way to the chantenay carrots with their short roots, with danver and nantes in between.   Originally, believe it or not, carrots weren’t necessarily orange! They could have been white or purple. Read more here: https://www.livescience.com/why-are-carrots-orange.html and http://www.carrotmuseum.co.uk/history.html