1968 steel wheel colour?

[Jason1]

Care and Repair of Lotus Steel Wheels

The unique Lotus steel wheels on Elans, Plus 2s, Europas and some Sevens consist of a standard “J” rim (5.5" wide on Plus 2s, 4.5" wide on others, all 13" diameter) riveted to either a “bolt-on” or “spin-on” type stamped center manufactured by Rubery Owen & Co. The knock-on wheel was conceived by Chapman for quick removal without the extra weight and cost of incorporating the Rudge splined hub used in wire-spoke wheels for many years. Chapman even prevailed on the manufacturer to make the wheels…

Rustoleum Hard Hat #2115 Aluminum very closely matches the original silver.