Here is a list from the '29-'49 Chevrolet parts manual. These are most likely car colors, but the combination should be the same.
Body color, pinstriping, wheels
swifts commercial red, argent silver, black
export blue, argent silver, black
brewster green, gigolo green, black
mars grey, cabbage grey, mars grey
ridge green, chantilly green, ridge green
wood ash brown, beige casino, wood ash brown
cloisonne maroon, argent silver, cloisonne maroon
sun biege, vermilion light, sun beige
regency blue, argent silver, regency blue
mayland black, nankeen cream, mayland black
mayland black, vermilion light, mayland black
four leaf green, none , aqualon yellow
four leaf green, aqualon yellow, four leaf green
tusk ivory, vermilion light, tusk ivory
yosemite green, tipperary green, yosemite green
granville grey, white, granville grey
italian cream, black, italian cream
these are all 1939 color combinations, it doesn't really say car or truck. Joe