33 C.F.R. § 84.13 Color specification of lights.
Title 33 - Navigation and Navigable Waters
(a) The chromaticity of all navigation lights shall conform to the following standards, which lie within the boundaries of the area of the diagram specified for each color by the International Commission on Illumination (CIE), in the “Colors of Light Signals”, which is incorporated by reference. It is Publication CIE No. 2.2. (TC–1.6), 1975, and is available from the Illumination Engineering Society, 345 East 47th Street, New York, NY 10017 and is available for inspection at the Coast Guard, Ocean Engineering Division (G-SEC-2), 2100 Second Street SW, Washington, DC 20593–0001. It is also available for inspection at the National Archives and Records Administration (NARA). For information on the availability of this material at NARA, call 202–741–6030, or go to: http://www.archives.gov/federal_register/code_of_federal_regulations/ibr_locations.php. This incorporation by reference was approved by the Director of the Federal Register. (b) The boundaries of the area for each color are given by indicating the corner co-ordinates, which are as follows: (1) White:
x 0.525 0.525 0.452 0.310 0.310 0.443 y 0.382 0.440 0.440 0.348 0.283 0.382 (2) Green:
x 0.028 0.009 0.300 0.203 y 0.385 0.723 0.511 0.356 (3) Red:
x 0.680 0.660 0.735 0.721 y 0.320 0.320 0.265 0.259 (4) Yellow:
x 0.612 0.618 0.575 0.575 y 0.382 0.382 0.425 0.406 [CGD81–008, 46 FR 62447, Dec. 24, 1981, as amended at 69 FR 18803, Apr. 9, 2004; USCG–2004–18057, 69 FR 34925, June 23, 2004]
Title 33: Navigation and Navigable Waters
PART 84—ANNEX I: POSITIONING AND TECHNICAL DETAILS OF LIGHTS AND SHAPES
§ 84.13 Color specification of lights.
