IALA E-200-1 is IALA Recommendation E-200-1 On Marine Signal Lights Part 1 Colours, issued by IALA and AISM, recalling the function of IALA with respect to Safety of Navigation, the efficiency of maritime transport and the protection of the environment; recognising the need to provide guidance within which the colours and colour boundaries of lights on aids to navigation should be determined; also that such guidance should enable a common approach to be made world-wide,

thus greatly assisting mariners, who, while passing through waters of different authorities, should not be confused by light colours that are ambiguous;

IALA RECOMMENDED CHROMATICITY REGIONS FOR LIGHTS, please see below:

Note. IALA Optimum boundaries in solid lines, IALA Temporary boundaries in dashed lines.

The marine lantern manufactued by SHENZHEN ANHANG TECHNOLOGY CO., LTD emits the color totally complied with IALA E-200-1, which have been used whole world.