Since we were talking about livery, it would only be referred to as McLaren - "The cars were always Kiwi orange — the national racing color of New Zealand" - http://www.wired.com/autopia/2009/08/mclaren-m1c/ Gulf sponsorship didn't come along until later, nor did Gulf influence the color scheme unlike Sunoco's sponsorship of the majority of Penske/Donohue cars.