(lightness-from-rgb .(dot ..(square ...(rotate ....(vabs .....(vsqrt ......(saturation-from-rgb .......(vfrac ........(max-component [2.6355 1.2079 1.4702 1.1707]))))) ....(polar pos))) ..(x ...(vabs ....(vcos .....(scale ......(polar [1.0237 1.5772]) 0.1779))))))