CTA has recently published ANSI/CTA-6035, Multimedia systems and equipment - Colour measurement and management - Part 13: Measurement method of display colour properties depending on observers IEC TS 61966-13:2023. This document defines an objective colour difference metric and a measurement method for observer metamerism caused by displays with different spectral power distributions. For more information and to access the standard, visit Multimedia systems- Colour Measurement and Management - Part 13.