What's the intention behind using a green hoodie to represent futa Fluttershy?

Background Pony #EBCA
It’s just a design an artist came up with 9+ years ago and made a Tumblr for. If there’s more significance to the specific attributes, you might have to ask them but IDK if they’re around at all any more.
“You may or may not have already seen this, it’s the first drawing of fluttershy with this hoodie that I made on the mlp flockmod room some time ago, I finally polished it so I could add it to my collection.”
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