(sigmoid .(gradient ..(y ...(min-component ....(length .....(square ......(v+ .......(gradient ........(length .........(blue-from-hsl ..........(offset ...........(hue-from-rgb ............(vdivide [-1.6036 -1.3652 -1.5211] [-0.8197 2.2178 -1.8565])) ...........(vdivide ............(square pos) ............(offset 1.1256 noise)))))) pos)))))))