(green-from-hsl .(length ..(gradient ...(alpha ....(vmin .....(rotate ......(scale .......(vsqrt ........(rgb-from-hsl [2.7608 -1.3702 -0.1836])) .......(lightness-from-rgb ........(vconcat [0.9164 2.3473] -2.3337))) ......(y grain)) .....(vsin [0.6538 -2.9521 2.4195 0.4324]))))))