Random bright UIColor

randombrightuicolor.m

- (UIColor *) randomBrightColor {
  UIColor *c = nil;
  CGFloat hue = ( arc4random() % 256 / 256.0 );  //  0.0 to 1.0
  CGFloat saturation = ( arc4random() % 128 / 256.0 ) + 0.5;  //  0.5 to 1.0, away from white
  CGFloat brightness = ( arc4random() % 128 / 256.0 ) + 0.5;  //  0.5 to 1.0, away from black
  c = [UIColor colorWithHue:hue saturation:saturation brightness:brightness alpha:1.0f];
  return c;
}