Defiant is unique to the Gelly's, it is most similar to Paprika, the next closest would be Chai Latte which isn't too similar. I've compared them below.
Colour | Deep Terracotta / Burnt Clay
Finish | Cream
Opacity | Two Coats
Brush Type | Paddle Style
How Much | 10ml
Vegan | Yes
Cruelty Free | Yes
Purchased From | BarryM.com