Carrots Used to Be Purple Before the 17th Century

before the 17th century, almost all carrots cultivated were purple. The modern day orange carrot wasn’t cultivated until Dutch growers in the late 16th century took mutant strains of the purple carrot, including yellow and white carrots and gradually developed them into the sweet, plump, orange variety we have today.
Before this, pretty much all 

carrots were purple with mutated versions occasionally popping up including the yellow and white carrots. These however were rarely cultivated and lacked the purple pigment anthocyanin, which gave carrots back then their distinctive purple color.

It is thought that the modern day orange carrot was developed by crossing the mutated yellow and white rooted carrots as well as varieties of wild carrots, which are quite distinct from cultivated carrots.