This is not true. I just sampled green bubbles from both dark mode and light mode iOS and macOS and got the same hex of 34c759.
Ah you’re right. I stand corrected.
Readit Newspixelnudger commented on One trick Apple uses to make you think green bubbles are “gross” uxdesign.cc/how-apple-mak... · Posted by u/allenwhsu
This is a clickbait. On my iPhone the green color is much darker than what the author shows in the article. Here are some images with the hex color codes for example:
Your hex value was sampled from a screenshot taken in dark mode, and actual color values are slightly different between dark and light mode.