No. 61 (Rust and Blue), 1953 by Mark Rothkoy

// by Laura Krok aka la-krok

​

let seed = Math.random() * 2000;

​

// colors

let colors1 = "362725-402C2F-2A1F26-3E2C40-302536"

  .split("-")

  .map((a) => "#" + a);

let colors2 = "3171B8-3C7ABA-80CDEB-3171B8-3C7ABA"

  .split("-")

  .map((a) => "#" + a);

let colors3 = "495359-1B291A-292722-495359-291A23"

  .split("-")

  .map((a) => "#" + a);

​

function setup() {

  pixelDensity(5);

  createCanvas(1240, 1748);

  randomSeed(seed);

  background(5);

}

​

function draw() {

  randomSeed(seed);

  noStroke();

  let col1 = random(colors1);

  let col2 = random(colors1);

  var gradbg = drawingContext.createLinearGradient(0, 0, width, 0);

  gradbg.addColorStop(0, col1);

  gradbg.addColorStop(1, col2);

  drawingContext.fillStyle = gradbg;

  rect(0, 0, 1240, 1748);

​

  push();

  let col3 = random(colors2);

  let col4 = random(colors2);

  var grad = drawingContext.createLinearGradient(0, 0, width, 0);

  grad.addColorStop(0, col3);

  grad.addColorStop(1, col4);

  drawingContext.fillStyle = grad;

  drawingContext.shadowColor = color(0, 0, 0, 20);

  drawingContext.shadowOffsetX = 20;

  drawingContext.shadowOffsetY = 20;

  drawingContext.shadowBlur = 100;

  rect(0, 1748/3, 1240, 1748/3);

  pop();

  push(); 

  let col5 = random(colors3);

  let col6 = random(colors3);

  var grad = drawingContext.createLinearGradient(0, 0, width, 0);

  grad.addColorStop(0, col5);

  grad.addColorStop(1, col6);

  drawingContext.fillStyle = grad;

  drawingContext.shadowColor = color(255, 50, 10, 20);

  drawingContext.shadowOffsetX = 20;

  drawingContext.shadowOffsetY = 20;

  drawingContext.shadowBlur = 100;

  rect(0, 1748-(1748/3), 1240, 1748/3);

  pop();

}

​

function mouseClicked() {

  seed = Math.random() * 1000;

  randomSeed(seed);

  loop();

}

​

function keyTyped() {

  if (key === "s" || key === "S") {

    noLoop();

    saveCanvas("Rothkoy,No.61_1240x1748", "jpeg");

  }

}