It's like back in the day with eBay and their updates. The users were used to their yellow-ish background, and the company was looking for change. So while reva

It's like back in the day with eBay and their updates. The users were used to their yellow-ish background, and the company was looking for change. So while revamping their design, week by week they would alter the hex value from yellow to a grey color. Without the users knowing, they dynamically changed and improved the layout as a whole.