spectral G-index
... that the European Commission's Joint Research Centre recommends using the spectral G-index rather than correlated color temperature to select streetlights that have low blue light content?
... that the European Commission's <a href="./Joint_Research_Centre" id="mwBEY" rel="mw:WikiLink" title="Joint Research Centre">Joint Research Centre</a> recommends using the <b id="mwBEc"><a href="./Spectral_G-index" id="mwBEg" rel="mw:WikiLink" title="Spectral G-index">spectral G-index</a></b> rather than <a href="./Color_temperature#Correlated_color_temperature" id="mwBEk" rel="mw:WikiLink" title="Color temperature">correlated color temperature</a> to select <a href="./Street_light" id="mwBEo" rel="mw:WikiLink" title="Street light">streetlights</a> that have low blue light content?