Is the ∆E (Delta E) calculation for the color lookup based on CIE L*a*b* or CMC? Boris Bergmann August 31, 2021 13:36 The ∆E (Delta E) calculation is based on CIE L*a*b* D65/10° Related articles What is the general life of the ColorReader and its battery? When my paint company has fan deck updates, do my users get this update automatically? My ColorReader is not connecting to the ColorReader app What is the storage capacity of the ColorReader PRO sensor? My ColorReader EZ is not connecting to the ColorReader app