What Is The Difference Between Yellow And Red Watermelon?

What Is The Difference Between Yellow And Red Watermelon? While the large amounts of lycopene in red watermelon give it a pinkish-red inside, the lack of lycopene in yellow watermelon yields a yellowish color. … Yellow watermelons were bred to have higher lycopene content once watermelon became more popular, which turned it redder over time.