afaik smoked headlamps are illegal,side indicators/repeaters fine and rear clusters are a grey area as its down to the individual copper as to whether they are okay ,if you are buying them they should be okay,if you are spraying them its a matter of trial and error,although i have seen light tints on headlamps i think its fashion overtaking common senseB)
The Fiat Cinquecento
Fun While It Runs