6 quark flavors, u,d,s,c,t,b
each quark has baryon number = 1/3
each quark can carry three "colors"

leptons numbers

	Le	Lm	Lt
electron family	1	0	0
muon family	0	1	0
tau family	0	0	1

Anti quarks carry -1/3 baryon number and anti flavor, anti color

Anti leptons carry negative lepton number