Chat Colors

Chat colors are stored as hex as follows:

Player Usable Chats

int commonChatOffset = 0x0067C4BB;      // Common Chat		Default Color: ^FFFFFF
int partyChatOffset = 0x0067C4CB;       // Party Chat		Default Color: ^00FF00
int whisperChatOffset = 0x0067E983;     // Whisper Chat 	Default Color: ^FF7FFF
int allianceChatOffset = 0x0067E993;    // Alliance Chat	Default Color: ^00FFFF
int clanChatOffset = 0x0067E943;        // Clan Chat		Default Color: ^14A9FF
int worldChatOffset = 0x0067E9A3;       // World Chat		Default Color: ^FFFF00
int superChatOffset = 0x0067E933;       // Super Chat		Default Color: ^A900C7

Non-Player Chats

int broadcastChatOffset = 0x0067C4AB;   // Broadcast Chat	Default Color: ^FF0000
int otherChatOffset = 0x0067E953;       // Other Chat		Default Color: ^B680FF
int damageChatOffset = 0x0067E973;      // Damage Chat		Default Color: ^FFAE00
int systemChatOffset = 0x0067E963;		// System Chat		Default Color: ^FF7F00

Example C# For Programmatic Editing

using System.Text;

namespace chatColorChanger
{
	class Program
	{
		static void Main(string[] args)
		{
			using (BinaryWriter writer = new BinaryWriter(File.Open(args[0], FileMode.Open, FileAccess.ReadWrite)))
			{
				// player usable chats
				int commonChatOffset = 0x0067C4BB;		// Common Chat		Default Color: ^FFFFFF
				writer.Seek(commonChatOffset, SeekOrigin.Begin); //move your cursor to the position
				writer.Write(Encoding.BigEndianUnicode.GetBytes("^00fcda")); //write new color
			}
		}
	}
}