MAC No Faux Pas is a cool fuchsia with a matte finish that is limited edition and retails for $19.00. In comparison, Makeup Geek Cha Cha is a cool fuchsia with a matte finish that is limited edition and retails for $12.00.
Makeup Geek Cha Cha is 80% similar — it is darker, more muted, less glossy.