Wait, the user wants a story, so maybe a young adult novel or a web series. Let's go with a web series for this. The main characters could be a group of teens who discover the website, each with a connection to the color pink. The website could have a hidden purpose, maybe a secret society or an AI guiding them.
Another idea: The website is part of a secret society where pink is a symbol. Teens must solve puzzles related to the color pink to advance through levels. Each level reveals a chapter of a larger story. Or the website is a front for a government experimental program studying teen behavior through color. pink-teens.net
Pink Pulse: The Neon Rebellion