The colours don' t change much..looking at those sheets which are about 27 years old now only 3 have changed .. I don't take much notice of the change colours we tend to play fixtures where teams can both be played in their first choice strip..plus in this league we almost always use cellys and producing a new team can be hard work..I change the Scots more often as its easier to buy a new HW or Santiago but I also sometimes use cellys for those games if we have the right pattern