draw_ant.java

void setup(){ 
    size(600,600); 
    background(255);
    colorMode(RGB,255);
    smooth();
    noStroke();
    frameRate(30);
}
void draw(){ 
    color c = color(random(252,255),random(100,183),random(190,225));
    fill(c);
    float wh = random(2,12);
    float x = random(0,width);
    float y = random(0,height);
    rect(x,y,wh,wh);
}