anchor.diff:    static const Color lightCyan = const Color(0xFFE0FFFF);
     static const Color lightGoldenRodYellow = const Color(0xFFFAFAD2);
     static const Color lightGray = const Color(0xFFD3D3D3);
  +  static const Color lightGreen = const Color(0xFF90EE90);
     static const Color lightGrey = const Color(0xFFD3D3D3);
  -  static const Color lightGreen = const Color(0xFF90EE90);
     static const Color lightPink = const Color(0xFFFFB6C1);
     static const Color lightSalmon = const Color(0xFFFFA07A);
     static const Color lightSeaGreen = const Color(0xFF20B2AA);
  
positive.code:   static const Color gold = const Color(0xFFFFD700);
    static const Color goldenRod = const Color(0xFFDAA520);
    static const Color gray = const Color(0xFF808080);
    static const Color grey = const Color(0xFF808080);
    static const Color green = const Color(0xFF008000);
    static const Color greenYellow = const Color(0xFFADFF2F);
    static const Color honeyDew = const Color(0xFFF0FFF0);
    static const Color hotPink = const Color(0xFFFF69B4);
    static const Color indianRed  = const Color(0xFFCD5C5C);
    static const Color indigo  = const Color(0xFF4B0082);
    static const Color ivory = const Color(0xFFFFFFF0);
    static const Color khaki = const Color(0xFFF0E68C);
    static const Color lavender = const Color(0xFFE6E6FA);
  
negative.code:   static const Color darkCyan = const Color(0xFF008B8B);
    static const Color darkGoldenRod = const Color(0xFFB8860B);
    static const Color darkGray = const Color(0xFFA9A9A9);
    static const Color darkGreen = const Color(0xFF006400);
    static const Color darkGrey = const Color(0xFFA9A9A9);
    static const Color darkKhaki = const Color(0xFFBDB76B);
    static const Color darkMagenta = const Color(0xFF8B008B);
    static const Color darkOliveGreen = const Color(0xFF556B2F);
  