mIRC Colors The color codes in mIRC are inserted by using the Control+K key combination. The actual control character inserted in the text is ascii character 3, seen as ^C or inverse C on most UNIX clients. The syntax of the color attribute in text has the format ^CN[,M] N and M can be any number out of a range 0 to 15 thus allowing a range of sixteen colors. N will be the text (foreground) color,