  We discuss the quantum state structure using the standard model for three
colored quarks in the fundamental representations of $SU(3)_c$ making up the
singlet ground state of the hadrons. This allows us to calculate a finite von
Neumann entropy from the quantum reduced density matrix, which we explicitly
evaluate for the quarks in a model for the meson and baryon states. Finally we
look into the general effects and implications of entanglement in the $SU(3)_c$
color space.
