The database for blended fresh yam for color properties measurements consists of 394 spectra data collected using the benchtop FOSS Near Infrared Spectrometer with serial number 3013-0857. The spectra comprise 100 ascensions of Dioscorea rotundata and 98 of Dioscorea alata that were scanned in duplicate. The Spectra data were collected in IITA, Nigeria, in the year 2019/2020. The fresh yam samples were blended using a laboratory Warren Blender and then filled into the coarse cup of the NIRS machine for spectra collection.