size(300,340); background(0); PImage pi = createImage(256,256,ARGB); int c = 255; float range = 1; for (int i = 0; i < pi.width; i++) { for(int j = 0; j < pi.height; j++) { pi.set(j, i, color(c-(range*j),c-(range*j),c)); } c--; range = c/255; } stroke(255); rect(22,22,256,256); image(pi,22,22); PFont font; font = loadFont("Arial"); textFont(font, 16); fill(255, 255, 255); text("Select a color", 22,316); void mouseClicked() { color s = get(mouseX,mouseY); fill(s); stroke(255); rect(220,300,58,20); }