7 C.F.R. § 51.2281
Color classifications.
Cite as 7 C.F.R. § 51.2281 (2026)
The following classifications are provided to describe the color of any lot: (a) “Extra light,” “light,” “light amber,” and “amber:” The portions of kernels in the lot shall be not darker than the darkest color permitted in the specified classification as shown on the USDA Walnut Color Chart. (b) “Red:” There are no color requirements. [82 FR 39657, Aug. 22, 2017]