(vpow .(gradient ..(green-from-hsl ...(rgb-from-hsl ....(v- .....(v+ [0.3541 -1.1358] pos) .....(vsin ......(vsin vsnoise)))))) .(sigmoid ..(gradient ...(green-from-hsl ....(rgb-from-hsl .....(v- ......(v+ [0.3541 -1.1358] pos) ......(vsin .......(vsin vsnoise))))))))