#pragma config(Sensor, S1,     colorPort,           sensorCOLORFULL)
//*!!Code automatically generated by 'ROBOTC' configuration wizard               !!*//

task main()
{
  string sColor;

  while (true) {
    switch (SensorValue[colorPort])
    {
      case BLACKCOLOR:    sColor = "Black";     break;
      case BLUECOLOR:     sColor = "Blue";      break;
      case GREENCOLOR:    sColor = "Green";     break;
      case YELLOWCOLOR:   sColor = "Yellow";    break;
      case REDCOLOR:      sColor = "Red";       break;
      case WHITECOLOR:    sColor = "White";     break;
      default:            sColor = "???";       break;
    }
    nxtDisplayCenteredTextLine(2, sColor);
    wait1Msec(50);
  }
}

void displayRGBColorValues()
{
   short nAtoDValues[4];
   short nRawValues[4];
   short nColorValues[4];
   string sTemp;

  getColorSensorData(colorPort, colorAtoD,   &nAtoDValues);
  getColorSensorData(colorPort, colorRaw,    &nRawValues);
  getColorSensorData(colorPort, colorValue,  &nColorValues);

  displayColorIndex();

  nxtDisplayTextLine(3, "   AtoD  Raw   %%");
  StringFormat(sTemp, "R  %4i%5i", nAtoDValues[0], nRawValues[0]);      nxtDisplayTextLine(4, "%s%4i", sTemp, nColorValues[0]);
  StringFormat(sTemp, "G  %4i%5i", nAtoDValues[1], nRawValues[1]);      nxtDisplayTextLine(5, "%s%4i", sTemp, nColorValues[1]);
  StringFormat(sTemp, "B  %4i%5i", nAtoDValues[2], nRawValues[2]);      nxtDisplayTextLine(6, "%s%4i", sTemp, nColorValues[2]);
  StringFormat(sTemp, "Amb%4i%5i", nAtoDValues[3], nRawValues[3]);      nxtDisplayTextLine(7, "%s%4i", sTemp, nColorValues[3]);
}

/**
 * Convert RGB colors to HSV
 * @param red the red input value
 * @param green the green input value
 * @param blue the blue input value
 * @param hue the hue output value (from 0 to 365, or -1 if n/a)
 * @param sat the saruration output value (from 0 to 100, or -1 if n/a)
 * @param value the value output value (from 0 to 100)
 * @return void
 */
void RGBtoHSV(float red, float green, float blue, float &hue, float &sat, float &value)
{
   hue = 0;
   sat = 0;
   value = 0;

  //   Value
  float rgb_max = max3(red, green, blue);
  float rgb_min;
  value = rgb_max / 2.56;
  if (value == 0){
    hue = -1;
    sat = -1;
    return;
  }

  //   Saturation
  red /= rgb_max;
  green /= rgb_max;
  blue /= rgb_max;

  rgb_max = max3(red, green, blue);
  rgb_min = min3(red, green, blue);
  sat = (rgb_max - rgb_min) * 100;
  if (sat == 0){
    hue = -1;
    return;
  }

  //   Hue

  red = (red - rgb_min) / (rgb_max - rgb_min);
  green = (green - rgb_min) / (rgb_max - rgb_min);
  blue = (blue - rgb_min) / (rgb_max - rgb_min);

  rgb_max = max3(red, green,blue);
  rgb_min = min3(red, green,blue);

  if (rgb_max == red){
    hue = 0.0 + 60.0*(green-blue);
    if (hue < 0.0){
      hue += 360.0;
    }
  } else if (rgb_max == green){
    hue = 120.0 + 60.0 * (blue-red);
  } else {
    hue = 240.0 + 60.0 * (red-green);
  }
}

#pragma config(Sensor, S1,     colorPort,           sensorCOLORFULL)

short nAtoDValues[3]={0,0,0};
short red = 0;
short green = 0;
short blue = 0;

task main()
{
   wait1Msec(1000);  // Give sensor time to initialize
   eraseDisplay();
   
   while (true)
      {
        getColorSensorData(colorPort, colorAtoD, &nAtoDValues );
        red = nAtoDValues[0];
        green = nAtoDValues[1];
        blue = nAtoDValues[2];
         wait1Msec(150);         
      }
}

[code]your code goes here[/code]