The article mentions Kodak in 1927, which is an important year for color in the design of products. 1927 was the year that Catalin plastic was introduced. It was like Bakelite without the sawdust filler, so it could be produced in colors other than black and brown, and could be left translucent or marbled, as well.

This was used to great effect all over the place, but the staggering variety of beautiful radio sets of the 30s to 50s are a particularly good example.