Rust (#B7410E) and Space cadet (#1D2951) appear together across 6 master palettes in our corpus, most prominently in the work of Jessie Arms Botke, Morgan Russell, and Jacoba van Heemskerck and the Naturalism tradition. Painters typically deployed rust at an average of 14% of the canvas, with space cadet at 7%. Third colors most often completing the combination include Dark slate gray (#2F4F4F), Bone (#E3DAC9), and Raisin black (#242124).