Relation between stellar mass and EW([OIII]+Hβ). The contours are the same as in Fig. 16. In green symbols, the subsample of EELG candidates with NIRSpec spectroscopy, while the control sample is in magenta symbols. The blue star is the stack of the EELGs with prism spectra. The black dashed line is the relation at z ∼ 3 and the observed scatter (Llerena et al. 2023). The red squares are stacks of z > 5.5 galaxies (Matthee et al. 2023).