const density = 10;

let c1;

let c2;

​

function setup() {

  createCanvas(windowWidth, windowHeight);

  colorMode(HSL, 100);

  c1 = color('#2727e6');

  c2 = color('#ffffff');

  let x = 0;

  let y = 0;

  let n, rn, d, finalColor;

  for(x; x < width; x++){

    y = 0;

    for(y; y < height; y++){

      n = noise(x*nl, y*nl);

      rn = n * density - floor(n * density);

      d = rn > 0.5 ? map(rn, 0.5, 1, 1, 0) : map(rn, 0, 0.5, 0, 1);

      finalColor = lerpColor(c1, c2, d);

      set(x, y, finalColor);

    }

  }

​

  updatePixels();

}

​