Max Lüscher (September 9, 1923 – February 2, 2017) was a Swiss psychotherapist. He was known for inventing the Lüscher color test. This was a tool for measuring an individual's psycho-physical state based on his or her color preferences. Lüscher worked for international companies, among other things giving color advice. His book "The Lüscher Test" has been translated into more than 30 languages.