This is the starting position of the X series; taken from RTK11. Accurate as far as the actual maps from the novel, and other historical maps of around 194 AD. *note Liu Bei and his brothers are employed by Tao Qian (green).
Gongsun Zan- orange;
Gongsun Du- light purple (east of Gongsun Zan);
Zhang Yang- dark purple;
Yuan Shao- yellow;
Kong Rong- dark pink;
Ma Teng- brown;
Li Jue- grey;
Cao Cao- blue;
Lu Bu- black;
Tao Qian- green (Liu Bei, Zhang Fei & Guan Yu part of this faction);
Zhang Lu- fluro green;
Liu Zhang- dark blue;
Liu Biao- light blue;
Yuan Shu- pink;
Sun Ce- red;
Liu Yong- navy blue;
Yan Baihu- diarrhoea brown;
Wang Lang- light grey;
Zhang Xian- maroon;
free city- white