Comparison of kilonova models with SN 2019wxt data. Each panel shows our grizy data of SN 2019wxt (offset by constant magnitude values – reported in the legend – for presentation purposes) together with a kilonova model from Nicholl et al. (2021). A: ‘bright and blue’ case. B: ‘bright and red’. C: ‘highest chirp mass’. D: ‘highest ejecta mass’. The parameters of each model are reported in the text. The phase is with respect to the time of S191213g.