(vsin .(vfrac ..(square ...(adjust-hue ....(vdivide [1.0726 -2.0479 2.4368] grain) ....(sigmoid .....(green-from-hsl ......(v- .......(vmin ........(turbulate .........(vround -0.641) [-1.101 1.1987 2.4029 -2.7444]) [0.2303 -2.2603 -0.935]) pos)))))))