Thompson discovered a long time ago that automotive paint works differently from oil paint. There’s a gloss and sparkle to it, a translucency that gives you the feeling you’re not looking at a color, but into it. Although the sleek surfaces of his new sculptures look monochromatic, he applies up to 20 layers in a variety of hues. Light plays within their coats, so that a powder blue winks out in the reflections from “68,” a shimmying droplet of lavender. The colors — minty green, sapphire, Velveeta orange — are not shy. They invite you to dance.