Sketch
b=(o,t1,t2)=>src(o).add(solid(1,1,1),0.01).luma(t1,0.0).mult(src(o).add(solid(1,1,1),-0.01).invert().luma(1-t2,0.0)).thresh(0.0001,0.0)
c=(i,j)=>{let cc = 'https://coolors.co/b5446e-525252-badefc-0affed-9d44b5'.split("/"), cs = cc[cc.length - 1].split("-");return parseInt("0x" + cs[i].substring(2*j, 2+2*j))/255;}
b(o1,0.0,0.2).color(c(0,0),c(0,1),c(0,2)).layer(b(o1,0.2,0.8).color(c(1,0),c(1,1),c(1,2))).layer(b(o1,0.8,1).color(c(2,0),c(2,1),c(2,2))).out(o2)
x=()=>osc(40,0.1,0).modulate(noise(10,0.1))
x().out(o1)
src(o2).kaleid(40).layer(src(o2).kaleid(40).diff(src(o2).modulateKaleid(osc(3,0.5).color(0.2),40)).luma(0.5,0.0).hue(0.1)).out(o0)
