RGBColor for EXE13

public class RGBColor
{
  private final int MAX_COLOR = 255;
  private int _red;
  private int _green;
  private int _blue;

  public RGBColor()
  {
    this._red = 0;
    this._green = 0;
    this._blue = 0;
  }

  public RGBColor(int red, int green, int blue)
  {
    if ((red > 255) || (red < 0) || (green > 255) || (green < 0) || (blue > 255) || (blue < 0))
    {
      this._red = 0;
      this._green = 0;
      this._blue = 0;
    }
    else
    {
      this._red = red;
      this._green = green;
      this._blue = blue;
    }
  }

  public RGBColor(RGBColor other)
  {
    this._red = other._red;
    this._green = other._green;
    this._blue = other._blue;
  }

  public int getRed()
  {
    return this._red;
  }

  public int getGreen()
  {
    return this._green;
  }

  public int getBlue()
  {
    return this._blue;
  }

  public void setRed(int red)
  {
    if ((red > 255) || (red < 0)) {
      this._red = 0;
    } else {
      this._red = red;
    }
  }

  public void setGreen(int green)
  {
    if ((green > 255) || (green < 0)) {
      this._green = 0;
    } else {
      this._green = green;
    }
  }

  public void setBlue(int blue)
  {
    if ((blue > 255) || (blue < 0)) {
      this._blue = 0;
    } else {
      this._blue = blue;
    }
  }

  public void invert()
  {
    this._red = (255 - this._red);
    this._green = (255 - this._green);
    this._blue = (255 - this._blue);
  }

  public void mix(RGBColor other)
  {
    this._red = ((other._red + this._red) / 2);
    this._green = ((other._green + this._green) / 2);
    this._blue = ((other._blue + this._blue) / 2);
  }

  public double convertToGrayscale()
  {
    return this._red * 0.3D + this._green * 0.59D + this._blue * 0.11D;
  }

  public boolean equals(RGBColor other)
  {
    return (this._red == other._red) && (this._green == other._green) && (this._blue == other._blue);
  }

  public String toString()
  {
    return "(" + this._red + "," + this._green + "," + this._blue + ")";
  }
}