Is it true that a peacock does nt have coler in there feathers until they eat human flesh?

That statement is false; peacocks do not change the color of their feathers by consuming human flesh or any specific diet.

Peacocks' beautiful and vibrant plumage is a natural characteristic attributed to their genetics and is not influenced by the consumption of any particular substance, including human flesh. Peacocks are omnivores and primarily eat plants, insects, and small creatures, but their diet does not include human flesh or any other unusual food sources.