Hydrogen profiles for similar central hydrogen contents of the 1.5 M_⊙ models and different mixing prescriptions: Ledoux criterion and no mixing in the semiconvective zones (dashed blue line), α_sc = 0.001 (thin dash-dotted green line), α_sc = 0.01 (thick dash-dotted light blue line), Schwarzschild criterion (solid red line), and one model including convective overshooting (dotted black line).