(blue-from-hsl .(average ..(rotate ...(y ....(saturation-from-rgb [1.0558 -0.1588 -1.3576])) ...(checker ....(sigmoid .....(hue-from-rgb ......(sigmoid .......(height plasma)))) ....(average pos .....(alpha ......(polar .......(alpha pos))) 2.7788))) ..(x ...(offset ....(polar -1.7235) vsnoise))))