7 C.F.R. § 51.2282
(b) In order to allow for variations incident to proper grading and handling, tolerances shall be permitted for the respective color classifications as indicated in Table II:
| Color classification | Tolerances for color | |||
|---|---|---|---|---|
| Darker than extra light 1 | Darker than light 1 | Darker than light amber 1 | Darker than amber 1 | |
| Extra light | 15 percent | 2 percent (included in 15 percent darker than extra light) | ||
| Light | 15 percent | 2 percent (included in 15 percent darker than light) | ||
| Light amber | 15 percent | 2 percent (included in 15 percent darker than light amber). | ||
| Amber | 10 percent. | |||
| Red | ||||
| 1 See illustration of this term on USDA Walnut Color Chart. |
[23 FR 10354, Dec. 25, 1958. Redesignated at 42 FR 32514, June 27, 1977, and further redesignated at 46 FR 63203, Dec. 31, 1981, as amended at 82 FR 39657, Aug. 22, 2017]