(vfrac .(gradient ..(red-from-hsl ...(gradient ....(length .....(blue-from-hsl ......(offset .......(hue-from-rgb ........(vdivide [-1.6036 -1.3652 -1.5211] .........(v+ ..........(checker 1.3313 pos) pos))) .......(vdivide ........(square pos) ........(offset [-0.3879539560399534 0.8520994982592169] noise)))))))))