color red, yellow, green, cyan, blue, magenta, dred, dyellow, dgreen, dcyan, dblue, dmagenta, white, black, orange, grey, metal;  // declares color names

colorServer cS=new colorServer(4);

void createColors() {
  colorMode(HSB,121);
  red = color(0, 120, 120); yellow = color(20, 120, 120); green = color(40, 120, 120); cyan = color(60, 120, 120); blue = color(80, 120, 120); magenta = color(100, 120, 120); 
  dred = color(0, 120, 60); dyellow = color(20, 120, 60); dgreen = color(40, 120, 60); dcyan = color(60, 120, 60); dblue = color(80, 120, 60); dmagenta = color(100, 120, 60); 
  white = color(0, 0, 120); black = color(0, 120,0); grey = color(0, 0,60); orange = color(10, 100, 120); metal = color(70, 60, 100); };
color ramp(int c, int m) {float f=255.*c/m; return color(f,255.-f,255.-f/2);}

class colorServer {
  int c=0; 
  int nc=10;
  colorServer (){};
  colorServer (int n){nc=n;};
  void reset(int n) {nc=n; c=nc-1;}
  void first() {c=nc-1; }
  color next() {c=(c+1)%nc; return color(121*c/nc,121,121); }
}