NASA Short-term Prediction Research and Transition (SPoRT) Center began creating the EUMETSAT best practices multispectral composites with the next-generation Himawari-8 Advanced Himawari Imager (AHI) as a proxy for advanced capabilities in the Geostationary Operational Environmental Series-R (GOES-R) era. NASA SPoRT worked closely with the National Atmospheric and Oceanic Administration (NOAA) National Weather Service (NWS) Operations Proving Ground (OPG) to provide AHI single channels and capabilities for the display of multispectral composites locally and on demand within the Advanced Weather Interactive Processing System (AWIPS) as part of an evaluation to prepare forecasters for the increased number of channels in the GOES-R era. Due to spectral differences of the AHI and SEVIRI instruments, the coloring of the AHI multispectral composites differed from standard multispectral composites derived from SEVIRI. In an effort to create consistent multispectral composites across multiple instruments, provide consistent multispectral composites to forecasters for the OPG evaluation, and stay within the realm of the EUMETSAT RGB best practices, this research investigated the impact of the spectral differences between SEVIRI and AHI on creating multispectral composites through an empirical correlation analysis. As advanced satellite sensors such as AHI become available, other agencies such as Japan Meteorological Agency (JMA), Australian Bureau of Meteorology, and EUMETSAT are recognizing the need to adjust the RGB recipes to account for spectral differences such as central wavelength and spectral width in order to maintain consistency with EUMETSAT RGB best practices. An empirical correlation analysis, radiative transfer modeling, and case studies are presented to highlight the need and a methodology to adjust the EUMETSAT RGB recipes and account for spectral differences across sensors.