Accretion luminosity vs stellar luminosity for the whole ρ-Oph sample discussed here (black symbols), for the Lupus sample of Alcalá et al. (2014), reported with green symbols, and for a sample in σ-Ori studied by Rigliaco et al. (2012) and reported with yellow triangles. Upper limits are shown as downward arrows. Empty symbols are used for subluminous objects, and stars for strongly veiled objects. Dashed lines are for different L_acc/L_⋆ ratios, going downward from 1, to 0.1, to 0.01, as labeled. The solid lines is the best fit for the GTO sample by Natta et al. (2014).