ColourPop 5th Ave is a cool plum with a semi-matte finish that is permanent in palette and retails for $4.50. In comparison, Make Up For Ever M928 Eggplant is a cool plum with a matte finish that is permanent and retails for $17.00.
Make Up For Ever M928 Eggplant is 85% similar — it is less shimmery, more muted, warmer.