Kenmore "Shaded Slate"
Hey Gordon,
Yes, Sears did offer this color for a very short time, along with the "Shaded Doeskin" color. I can't access my catalogs now as they are in storage, but I'm almost certain I remember seeing them in a 1967 catalog. The only proof I can come up with at this time is in a posting from earlier this year showing Kenmore dishwashers. Check the Imperial archives for Thread #32804, Post #494284, Reply #8. It shows a sample of this color.
I also remember discussing this color with the attendent at the washateria. She used to work in the Sear's parts dept. in the late 60's - 70's, and said she remembered such a color.