RAL is a color matching system that defines colors for paints, coatings and plastics. The RAL colors in this chart Created Date/22/PMRAL is a color matching system that defines colors for paints, coatings and plastics. RAL Classic is the most well-known and widely used system, with RAL (pure white) being the best-known RAL color RAL Classic is a collection of colorsis a micaceous iron color,is a metallic color,are fluorescent colors andothers are pearlescent colors. Overview of all RAL colors.