Buick Auburn Nightmist (paint code WA512F) is an OEM factory pearl paint color used on the CENTURY, REGAL. This color was available from the factory in: 1999, 2000, 2001, 2002, 2003, 2004. The base color family is Brown. Use this code when ordering touch-up paint, spray cans, or body shop refinishing products to ensure an exact OEM color match.