CIE looks to update Colour Rendering Index (CRI)
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The CIE have also accepted that the CRI has several significant sources of colorimetric inaccuracies and accept that it should be updated with the latest well-accepted formulae and an improved set of test samples. CIE's own Technical Committee (TC1-90) is in the process of developing a new improved colour fidelity metric that can update the CRI. The CIE also recognises that the colour fidelity metrics including the CRI do not assess other important aspects of the colour qualities of light sources, in particular, those related to colour preference.
CIE TC 1-91 is developing a Technical Report on this subject, which will be the groundwork for developing colou