(blue-from-hsl .(max-component ..(vfrac ...(adjust-hsl ....(v- .....(vcos ......(average .......(average [-2.3847 -1.6337 1.4743] velvet) [-0.1668 -2.4941 2.2176 -1.4686])) [0.732 -1.4416]) ....(x .....(saturation-from-rgb [2.1633 -1.0231]))))))