s = 400;
Image@Table[
  hue = Sin[i/16] + Sin[j/8] + Sin[(i + j)/16] + Sin[Sqrt[i^2 + j^2]/8];
  hue = (hue + 4)/8;
  Hue[hue, 1, 0.75]
  ,
  {i, 1.0, s},
  {j, 1.0, s}
  ]