Is it crass to ask my family and friends to contribute $50 toward Christmas dinner?

‘People have asked if they can bring anything, but if all the adults contributed $50, I would have $300 to put towards the festivities.’

Is it crass to ask my family and friends to contribute $50 toward Christmas dinner?
‘People have asked if they can bring anything, but if all the adults contributed $50, I would have $300 to put towards the festivities.’