Where does black fall on the color spectrum? – Utsav, age 17, Navi Mumbai, Maharashtra, India People love the rainbow of ROYGBIV colors: red, orange, yellow, green, blue, indigo and violet.

QUESTION: Which animal can see the widest spectrum of colours? Mantis shrimp have remarkable colour vision. They have as many as 16 types of photoreceptor cone, compared with the three humans have.

Green foods are the superheroes of the food colour spectrum. Spinach, kale, broccoli, green beans and avocados are rich in ...