!7

static RGB destColor = rgb("#E6ED2B");

p {
  RGBImage img = shootScreen();

  int w = img.getWidth(), h = img.getHeight();
  BWImage bw = new BWImage(w, h);
  float contrast = 2f;
  int destColorInt = destColor.getInt();
  for y to h: for x to w:
    bw.setPixel(x, y, rgbDiff(img.getInt(x, y), destColorInt)*contrast);
  showBWImage(bw);
}