Great descriptive new word. Must be a Lewyt standard; the gray Lewyt tub Tom gave me is Sledgehammertone, too.
Why I mentioned Electrolux Hammertone in the Kenmore thread, which is more refined looking as compared to the subdued Kenmore Commander subtle-er texture. But Hammertone they all are, I think.
Metallic Shimmertone is another beast altogether and that's what my blue Monitors are finished in. I found a match in the Ford section of the auto paint section at Canadian Tire this afternoon.