(offset [-1.3538021819498014 -0.4696481404361226] 
.(scale 0.22199664769230737 
..(offset 
...(vmax 
....(hsl-from-rgb 
.....(hue-from-rgb 
......(vfrac 
.......(vfrac 
........(v+ [-0.5492 -2.9378] pos))))) [-4.960950640809091 -2.9973142770070735]) 
...(scale 0.14405938837802662 
....(offset 
.....(adjust-hsl pos pos) 
.....(adjust-hsl 
......(vpow pos 
.......(vsin 
........(rgb-from-hsl -2.6191))) 
......(hsl-from-rgb 
.......(y 
........(scale -2.6191 pos)))))))))