Porsche Crystal Green (paint code M6Y) is an OEM factory metallic paint color used on the 911, 924, 928, 944. This color was available from the factory in: 1984, 1985, 1986. It is also known as Kristallgruen. The base color family is Green. Use this code when ordering touch-up paint, spray cans, or body shop refinishing products to ensure an exact OEM color match.