C# utils

Reverse string

public static string ReverseString(string s)
{
    char[] arr = s.ToCharArray();
    Array.Reverse(arr);
    return new string(arr);
}

Reverse color

public static string ReverseColor(string s)
{
    char[] arr = s.ToCharArray();
    String newColor;
    newColor = arr[4] + "" + arr[5] + "" + arr[2] + "" + arr[3] + "" + arr[0] + "" + arr[1];
    return newColor;
}