Code of Federal Regulations Title 7. Agriculture § 7.932.109 Canned ripe olives of the tree-ripened type

(1) Range in color from pinkish red, with some greenish cast, to black;  and

(2) Have not more than 10 percent, by count, of off-color olives (off-color means those olives whose greenish cast covers more than 50 percent of the surface of the individual olives).