GM used to show the colors (or colours, which the spell checker flags wink ) for emblems on the Vehicle Information kits, but apparently didn't do that for '58. Anyway, here's the Vehicle Information Kit for your year.
'58 Truck Vehicle Information Kit


Kevin
1951 Chevy 3100 work truck
Follow this saga in Project Journal
Photos
1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car)
Busting rust since the mid-60's
If you're smart enough to take it apart, you darn well better be smart enough to put it back together.