The theme of peacocks in general is a very good one that translates well into crochet, especially in terms of the color gamma. Please see some beautiful examples of free peacock patterns below.
Peacock Amigurumi Free Crochet Pattern
This little ami birdie is a beautiful example of what can be done in the color palette of peacock feathers. The project is easy and the very detailed instructions make it easier still, so that you can take this on regardless of your skill level.
Skills : Intermediate Designer: Crochet Chanel