LX–SFR–metallicity relation for star-forming galaxies, showing our sample and the relation from Brorby et al. (2016; blue line). Their observed 0.34 dex dispersion in the relation is shown by the gray band. Hardness ratio is indicated with the shown color scale; red points indicate objects without enough counts for a reliable HR estimate. Circles show Chandra ACIS observations, with point size scaled to source FWHM; diamonds indicate XMM data, which cannot resolve point sources in our sample. Haro 11-B is not a significant LAE, but is included for completeness. Data for Haro 11 and NGC 6090 are shown for individual subregions, as well as for total integrated values.