(vcos .(vmax ..(y pos) ..(vsqrt ...(vconcat ....(vconcat .....(vabs [2.9516 -0.3315]) .....(vmax ......(hsl-from-rgb .......(vsqrt ........(vdivide [1.7376 -0.3535] [2.3543 -1.9003]))) ......(height-normal .......(min-component ........(green-from-hsl pos))))) [-1.4658 0.6624 -1.0945]))))