(vsin .(rotate ..(normalize ...(vconcat ....(green-from-hsl .....(blue-from-hsl ......(saturation-from-rgb .......(y [2.1769 -0.0264 1.8835 2.5551])))) ....(offset [0.9161 -1.266 -1.4489 0.6523] [2.9366 -1.3651 2.7563 0.776]))) ..(green-from-hsl ...(blue-from-hsl velvet))))