java - Make shades with different color in Julia set . -

as in title , want add 2-3 colors shades julia set . dont have idea how . know how add 1 color , , . must add 2-3.

import java.awt.color; import java.awt.graphics; import java.util.random;  import javax.swing.japplet;  public class complextester extends japplet {     color c;      public void init() {          resize(600, 600);     }      public color setc1() {         c = new color(250, 250, 0);         return c;     }      public void paint(graphics g) {          random generator = new random();          complex c = new complex(-0.123, 0.745);         complex b = new complex();          (int k = 0; k < 600; k++)             (int j = 0; j < 600; j++) {                  complex = new complex((k / 200.0) - 1.5,                         (600 - j) / 200.0 - 1.5);                 int = 0;                 b = a;                  {                     b = b.kwadrat().dodaj(c);                     i++;                     if (b.moduł2().getx() > 2)                         break;                  } while (i < 30);                  if (i == 30) {                      g.setcolor(setc2());                      g.drawoval(k, j, 1, 1);                  }             }     } } 

setcolor() method add 1 color . methor add few colors ?

you can create fixed palette of colors using enum, shown here , here. in case, might want create gamut of colors using gethsbcolor(), shown here in list<color>. related example using queue<color> may found here. once have such collection, chose color index based on number of iterations required.