Birthday is one of the many colours that users can paint their Petpets. Petpets of this colour resemble birthday cakes covered with sprinkles and frosting. The Birthday colour was first released on November 15, 2013 as part of Neopets' 14th birthday celebration. Petpets can be painted Birthday through the Petpet Lab Ray or found inside a Birthday Goodie Bag from the Toy Shop.
As of November 2014, there are 12 Petpets that can be painted Birthday:
- Petpet Puddle: Birthday