What Color Is Walnut?

Color of walnuts based on the USDA Walnut Color Chart shall be not darker than the “amber” classification. There are no color requirements for “red” color. Color may be specified in connection with the grade in terms of one of the color classifications in the USDA 

Walnut kernels are highly nutritional because they are rich in easily digestible fats, proteins, vitamins, minerals and more. They are a valuable resource to the food and the cosmetic industry. If you buy walnut kernels in shell check them carefully and avoid those with holes and / or cracks.