1947 3104 pickup?

1947-1952 standard cab (pickup-style cab) trucks
(from a Tech Tip here - see link in menu above)

Medium Tan Metalli-Chrome
instrument panel on all but Suburban and Panel (also GMC)
DUP 260-55257 (Dupont)

Dark Tan Metalli-Chrome
instrument panel on all but Suburb and panel (also GMC)
DUP 260-55265 (Dupont)

No Ditzler/PPG codes

No one has reported find a color/mix/formula from Dupont.

There have been many posts here discussing modern matching colors/codes.