Board Thread:News and Announcements/@comment-25118285-20180106154859/@comment-32070106-20180804192855

I think they're saying that dyes with eggs are unlikely. I mean, if you dye a chicken egg blue, it doesn't make a blue chicken.

The mod used to have skins based around biomes; the devs removed them when they remodeled the mobs because 1. too much work and 2. real-life animals aren't that differently colored from eachother.

That said, the devs do want to implement melanism and albinoism. So variations of skins are planned.