Same as in Fig. 3, but the color scale encodes the stellar masses at the RLOF and in the core He-burning stage after the RLOF. The entire stage of He core-burning stretches from the position of the circles by about ±0.05 in log(T_eff) and up by ≲0.5 in log(L/L_⊙). Gray circles show the descendants of (5−7) M_⊙ ZAMS primaries producing HeS stars less massive than 1 M_⊙ in case B mass exchange. Initial parameters of the 5, 7, 15, 22 M_⊙ tracks shown in the plot are the same as in Fig. 3.