Rosedale Red with deluxe two-tone is RPO 491, 461 is Crimson red. Check out the vehicle info packet at this website- page 20 of the pdf shows the Conventional, Special and Deluxe two-tone paint schemes. It also shows that the secondary color for two-tone is white.
https://www.gmheritagecenter.com/gm-...tion-kits.html
Since 491 is the deluxe two-tone paint code the cab roof, cab back panel above the belt line and the areas between the upper and lower trim are painted frost white with the main body color applied to all other areas.
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