PPG code IM1001 - brown
This brown automotive paint color is most commonly known as Grege Gray. The color formulation has been used between 1931 and 1932, primarily by Dodge; but also by DeSoto. See the full detailed list below.
IM1001 is a paint code for PPG (Pittsburgh Plate Glass) who has been providing automotive paints since 1924 (originally Ditzler Color Company subsidiary acquired in 1928). PPG/Ditzler codes starting with the letters "IM" indicate Ditz-Lac colored lacquers and polychromatics (fine aluminum powder added) and were used before 1940.