MAC Blush Pink is a warm peach with a semi-matte finish that is limited edition and retails for $35.50. In comparison, NARS 413 BLKR (Highlighter) is a warm peach with a satin finish that is permanent and retails for $30.00.
NARS 413 BLKR (Highlighter) is 95% similar — it is more shimmery.