int random = (int) (Math.random() * 5);
if (random == 1) {
    imagesetPixel(i, j, new Color(64, 64, (int) (Math.random() * 30) + 64, 255));
} else {
    image.setPixel(i, j, new Color(255, 255, 220 + (int) ((Math.random() * 35)), 255));
}