三條色階color c1 = color(100, 153, 0);

color c2 = #FFCC00;noStroke();

fill(c1);

rect(0, 0, 25, 100);

fill(c2);rect(25, 0, 25, 100);

//fill(c3);

//rect(75, 0, 25, 100);color c4 = get(10, 50);

fill(c4);rect(95, 0, 50, 100);