http://1954advance-design.com/Advan...%20Tech%20Tip%20--%20Paint%20Colors.html

PPG might have codes/formulas for most of the colors you listed (Wicker Brown, Pecan Brown & Pearl Beige). A PPG number to call is in the Tech Tip.

There have been many posts regarding the "Champaign" color. Maybe someone will post a link and or information.