I had read about it in https://news.ycombinator.com/item?id=34186932 (or some other earlier HN submission) and had since forgotten it. I wouldn’t be surprised to forget about it again.
Not a chance. It's not just about the color rebeccapurple but the emotional relation and deep connection between the CSS new logo, the story behind that particular color and how the CSS community merged them into one.
And furthermore, I am a passionate logo designer and logo design critique.