acidrain

color[] palette = {
  #FF0000, #00FF00, #0000FF
};

void setup() {
  size(800, 450, P2D);
  background(0);
  blendMode(SCREEN);
}

void draw() {
  fill(palette[int(random(3))]);
  //if (random(1)>.9) fill(#ffffff);
  float sz = random(30, 100);
  ellipse(random(width), random(height), sz, sz);
  filter(BLUR, .6);

  //if (frameCount<500) saveFrame("image-####.tif");
}