7. pants

Colour

specification of lights

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

colour by the International Commission on Illumination

(CIE).

The boundaries of the area for each colour are given by

indicating the corner coordinates, which are as follows:

(i) 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

(ii) Green

x

0.028

0.009

0.300

0.203

y

0.385

0.723

0.511

0.356

(iii) Red

x

0.680

0.660

0.735

0.721

y

0.320

0.320

0.265

0.259

(iv) Yellow

x

0.612

0.618

0.575

0.575

y

0.382

0.382

0.425

0.406