Eating a wide variety of colours is as important as eating a wide variety of foods. Naturally occurring colours in foods often signify the presence of vitamins, minerals and antioxidants.
If you are eating more colour, you are probably getting more vitamins, eating more natural food directly grown from the earth and a wider variety of clean food.
How to add more colour to your diet:
Add peppers of all colours because they have differing nutrient values and vitamins: