Colors and color cuts for the sample selections of Type Ibc SNe. The figure shows the absolute peak magnitudes (M_r in the upper and M_g in the lower panel) for the 94 SNe selected versus their MW corrected colors in g − r at ∼10 days after peak, when these transients have the most uniform color distribution (Taddia et al. 2015; Stritzinger et al. 2018). The gray box includes those 14 SNe kept in the final sample as normal SNe Ibc where uncertainties in the extinction corrections are smaller. The color coding is explained in the main text. The horizontal dashed lines represent the maximum luminosities (M_g = −17.5, M_r = −17.8), according to Woosley et al. (2021). The data points also have uncertainties in magnitudes assigned, according to the error propagation in Sect. 3.4.