Color is an important indication of product composition, purity, and degree of deterioration. It is a quick check on degradation, and on the suitability and stability of a product for a particular use [27]. In this study, we converted the Lab values to xyY using the CIE software, and then identified each oil color on a chromaticity dia- gram. Results show that Lovibond color is higher in salmon oil (x: 0.45; y: 0.34) than in rapeseed oil (x: 0.40; y: 0.46) and in miglyol (x: 0.33; y: 0.38).