CFR›Title 7›Subtitle B›Chapter I›Part 51›Subpart X›Subject Group Color Requirements ContainsSections 51.2281–51.2283CorpusDaily eCFRDisplayed edition2026-04-24Last updated2026-04-24 Sections 51.2281 § 51.2281 Color classifications. 51.2282 § 51.2282 Tolerances for color. 51.2283 § 51.2283 Off color. Previous Application of Tolerances Application of Tolerances Next Definitions Definitions