(vdivide .(x ..(polar ...(z ....(vmax .....(v+ ......(checker .......(lightness-from-rgb [0.2286 -2.6057]) .......(green-from-hsl [2.9649 -1.6214])) ......(y 0.5752)) .....(blue-from-hsl ......(gradient .......(lightness-from-rgb pos))))))) .(t ..(vround 0.6096)))