Green, blue or brown
Green (Green Gremlin)
Cars Magazine n° 39
The Three Lemons are a group of Gremlins and Pacers.
The three lemons are each painted different livery. One is green with a black stripe, another is blue, and the other is brown with a black stripe.
The green and brown lemons are AMC Gremlins. The blue lemon is an AMC Pacer.
They only appeared in the Boom! Studios comics.