Fern green (#4F7942) and Rufous (#A81C07) appear together across 3 master palettes in our corpus, most prominently in the work of Morgan Russell and the Synchromism tradition. Painters typically deployed fern green at an average of 5% of the canvas, with rufous at 12%. Third colors most often completing the combination include Space cadet (#1D2951), True Blue (#2D68C4), and Raisin black (#242124).