Kiel diagrams showing the position of the stars in ω Cen for our MUSE sample (black circles) and for samples taken from the literature. Left panel for the EHB stars (blue squares, Latour et al. 2018) and right panel for the BHB stars (red squares, Moni Bidin et al. 2012, green squares Moehler et al. 2011). Filled symbols in the left panel indicate the He-rich blue-hook stars. The theoretical HB band for the BaSTI He-normal models is also shown.