#https://www.shadertoy.com/view/4tXSDf

pixels = W:1024 H:1024

x = from 0 to 4 W
y = from 0 to 4 H

v = iq_voronoise2d(x, y)*0.4
v = v + iq_voronoise2d(x*2, y*2)*0.2
v = v + iq_voronoise2d(x*4, y*4)*0.1
v = v*0.5+0.5

k = smoothstep(0.2, 0.8, v)

r = mix(0.2, 0.85, k)
g = mix(0.4, 0.9, k)
b = 1.0
