NARS Vain is a warm copper with a semi-matte finish that is permanent and retails for $26.00. In comparison, Charlotte Tilbury Walk of Shame (was Walk of No Shame) is a warm copper with a matte finish that is permanent and retails for $37.00.
Charlotte Tilbury Walk of Shame (was Walk of No Shame) is 80% similar — it is lighter, more muted.