(sigmoid .(vpow vturbulence ..(clamp ...(min-component [-2.1869 -2.4944]) ...(polar ....(offset .....(blue-from-hsl -1.6315) .....(max-component [1.5798 -1.4002 -2.0107]))) [-0.7349 2.0528 -0.4095 -2.5952])))