I used a green paint and the adhesion promoter to turn parts of my interior green to match the seats, door cards and carpet. It's not an an exact match.
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Herb's Parts: HERBS PARTS INTERIOR PAINT, Interior Paint, PAINT
Herb's Parts: ADHESION PROMOTER FOR INTERIOR PAINT, Interior Paint, 215(1)
basically you need some kind of adhesion promoter or plastic primer to allow whatever green paint you use to stick to the surface. And you'll need several coats of paint otherwise it'll just scratch right off really easy.
I painted my whole dash green months ago. Not one crack or blemish and it hasn't peeled.
I pulled all the plastic trim and painted it green too. The only problem I ran into was with heavily oxidized plastic that was extremely sun damaged. It takes a lot of paint to make it stay green and even then it looks like freshly painted junk. But, like you, I've had extreme difficulty sourcing plastic interior trim for these vehicles