Makeup Geek Pegasus is a cool aqua with a metallic finish that is permanent and retails for $9.99. In comparison, Natasha Denona Deep Teal (19M) is a cool teal with a metallic finish that is permanent in palette and retails for $29.00.
Natasha Denona Deep Teal (19M) is 85% similar — it is darker, more muted.