(vfrac .(rgb-from-hsl ..(vmod ...(green-from-hsl ....(red-from-hsl .....(min-component ......(vmin .......(checker ........(radius [-1.3356 -2.1857]) ........(min-component plasma)) .......(radius ........(vmin [-2.9793 -2.2972 1.0875 -0.7275] pos)))))) grain)))