(vfrac 
.(adjust-hsl 
..(hsl-from-rgb 
...(adjust-hsl 
....(hsl-from-rgb pos) 
....(height 
.....(v- 
......(v- [2.9689 -0.508 0.4898 2.2758] [-1.5382 -1.4015 -1.3619]) [-1.5382 -1.4015 -1.3619])))) 
..(v* 
...(v* pos 
....(lightness-from-rgb 
.....(vmod 
......(height 
.......(v- 
........(gradient 
.........(height blotches)) [-1.5382 -1.4015 -1.3619])) 
......(y 
.......(cross3 [-0.4693 1.3087 -1.0194 -2.859] plasma))))) 
...(dot 
....(radius 
.....(vround 
......(radius 
.......(square 
........(alpha [0.8973 -2.5819 -2.2474]))))) pos))))