MAC Shimmermoss is a neutral teal with a frost finish that is discontinued and retails for $17.00. In comparison, Too Faced Jingle All the Way Eyeshadow #9 is a cool teal with a glitter finish that is limited edition and retails for $16.00.
Too Faced Jingle All the Way Eyeshadow #9 is 85% similar — it is cooler.