Latest Publications

This document provides CIE recommended reference solar spectra for industrial applications. It contains a large selection of simulation benchmarks for total, direct and diffuse components of solar spectra under various atmospheric conditions and solar geometries (defined by the air mass). For this... more
This document summarizes the methods used to enhance images in order to be easily recognized by colour-deficient observers. They are classified into three major categories: recolouring, edge enhancement and pattern superposition; pros and cons are discussed. The document provides recommendations on... more
International interest in the use of ultraviolet radiation (UVR) to manage the risk of COVID-19 transmission is large and growing rapidly with each day of this global pandemic. Because of this CIE has published a Position Statement (PS) following on from the two CIE publications related to UV-C... more
This technical report provides basic measurement principles and practical guidance in goniospectroradiometry of optical radiation sources (i.e. measurement of the spectral distribution as a function of the emission angle of the source). Specifically, it includes measurement principles of the... more

Latest News and Events

Organized by the Hungarian Lighting Society (the CIE National Committee of Hungary), this annual event...
  A Toolbox to support the use of the international standard CIE S 026:2018 CIE System for Metrology of...
Supporting the global action to reduce the transmission of COVID-19 CIE releases two key publications...
The Blue Light Hazard - What Does it Really Mean?- a webinar which was  hosted by the OSA Color...