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SSH EN ISO/CIE 11664-2:2022

Colorimetry - Part 2: CIE standard illuminants (ISO/CIE 11664-2:2022)

Dec 18, 2025

General information

60.60     Dec 18, 2025

95.99   

DPS

DPS/KT 298

European Norm

17.180.20  

English  

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Scope

This document defines three CIE standard illuminants for use in colorimetry: CIE standard illuminant A for the representation of typical tungsten-filament lighting, CIE standard illuminant D65 for the representation of average daylight having a correlated colour temperature of approximately 6 500 K and CIE standard illuminant D50 for the representation of daylight with a correlated colour temperature of approximately 5 000 K. Values of the relative spectral power distribution of the three illuminants are included in this document.

Life cycle

PREVIOUSLY

WITHDRAWN
SSH EN ISO 11664-2:2011

NOW

PUBLISHED
SSH EN ISO/CIE 11664-2:2022
60.60 Standard published
Dec 18, 2025

Related project

Adopted from EN ISO/CIE 11664-2:2022 IDENTICAL

Adopted from ISO/CIE 11664-2:2022 IDENTICAL