(vsin .(v+ ..(vmax ...(offset [1.0690510457271767 4.9328524751873974] ....(rgb-from-hsl .....(gradient ......(vabs .......(green-from-hsl velvet))))) ...(z ....(gradient .....(offset ......(green-from-hsl velvet) ......(height .......(vabs ........(z velvet))))))) [0.4061 -0.1928 -1.0101 0.2881]))