Category: Other [Can Repro] Date/Time: Thu Sep 01 16:26:25 2022 Character: Level 75 Cleric (Main) Zone: Guild Hall Location: 19.79, 13.79, 3.06, 269.42 Description: Year Birthday no alternating colors on characters name Characters Birthday today, no color change on name for recognition, Sippycup is a sadface today
It's all about the timing. The "colors" seem to start at the exact moment your character was created, not just the day.
It seems to wander a day back and forth. I made two characters on March 16, 1999. This year one got their birthday colours on March 15 and the other one on March 17.