Top two panels: Comparison between the observed, decontaminated CMD of SL 2 (gray points) and the best-fitting synthetic CMD obtained from PARSEC-COLIBRI isochrones with a non-informative distance prior (left, green diamonds) and a Gaussian distance prior (right, purple squares). Bottom two panels: Same but with MIST isochrones. The isochrone used for generating the synthetic CMD is shown as the black line in all panels.