Latest Publications
This Technical Report has been prepared by CIE Technical Committee 1-81 of Division 1 "Vision and Colour”. It reports on the performance of colour-difference formulae based on the results of experiments to evaluate colour differences visually. The report addresses small colour differences of... more
This International Standard defines spectral sensitivity functions, quantities and metrics to describe the ability of optical radiation to stimulate each of the five photoreceptor types that can contribute, via the melanopsin-containing intrinsically-photosensitive retinal ganglion cells (ipRGCs),... more
This Technical Report has been prepared by CIE Technical Committee 1-85 of Division 1 "Colour and Vision” and has been approved by the Board of Administration as well as by Division 1 of the Commission Internationale de l'Eclairage. This publication provides the recommendations of the CIE... more
CIE 198-SP2:2018 Determination of Measurement Uncertainties in Photometry Supplement 2: Spectral measurements and derivative quantities
This report is a second supplement to CIE 198:2011 Determination of Measurement Uncertainties in Photometry for the determination of measurement uncertainties associated with the values of selected quantities in photometry. It deals with spectral measurements and combinations of measured spectral... more Latest News and Events
CIE NC Australia will hold a lighting research conference in February 2019. The scientific programme is...
TC 4-58 is preparing a guideline on obtrusive light from colourful and dynamic lighting. For...
We are pleased to announce those who will serve the CIE as Officers of the Commission for the...
The CIE Joint Technical Committee JTC 12 (D1/D2/D8) “The measurement of sparkle and graininess” is...