I'm glad I could help :D I tried fixing the hair color via the Salon, but purple wasn't available for me. Also, wasn't the eye colour supposed to change with the outfit transformation? I remember it changing in earlier builds.
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Purple is under the "more colors" option. It's the last hair color. And the eye color change might have worked before the paperdoll was implemented. I used to use a plugin with default RPG Maker assets for the characters appearance, which didn't have expressions, and therefore didn't have the eye color limitation.