Maybelline Rebel Pink is a cool fuchsia with a semi-matte finish that is discontinued and retails for $7.49. 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 85% similar — it is lighter, warmer, less glossy.