Other moms only talk to me when I wear beige

I take my toddler to the library once or twice a week for story time and usually I wear my normal vibe which is either all black or something that may be considered “casual alt” and normally no one really chats with me but the past two weeks I decided to change it up and wear what I like to call “mom outfit” which is lighter colored leggings and beige top (same thing all the other moms wear) and now 3 or 4 moms will chat with me during play time lol. Just thought it was kinda funny how I literally had to blend in with the mom culture.