There indeed is a clear trend of reduced paint options in newer cars, and more paint quality issues (Like significant orange peel on the clear-coat finish)
I've consistently maintained that a green much like the shade which that MX-5 was finished in, a Crimson red, or even a Daytona violet (Think BMW E34 M5 as shown below) With a cinnamon brown interior finish would be my dream color combination - If it's on the right car.
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Since we are on the topic of MX-5, I was delighted to find out that I
sort-of fit into an MX-5 (With the roof down, seat all the way back against the rear trunk divider). It was the most delightful,
stock handling vehicle I ever drove.