[Color Grid 1](https://www.shadertoy.com/view/4dBSRK)

• Shadertoy

Author: Inigo Quilez

The code is short. It uses 2D noise and generates a smooth cellular pattern with varying colors. The noise function looks like this:

1

0.5+0.5*cos(iTime+sin(dot(floor(px+0.5),vec2(113.1,17.81)))*43758.545);