Users can change the colour of their Neopets to Yellow by using a Yellow Paint Brush or a Starter Yellow Paint Brush item at the Rainbow Pool. In addition, the Lab Ray also has a random chance of turning the colour of a user's Neopet to Yellow. Users also have the choice of changing their Neopet's colour to Yellow when they complete a Fountain Faerie Quest. Lastly, Neopet's colour can be changed to Yellow by using an appropriate Morphing Potion.
The Yellow colour for Petpets was released on October 3, 2001. Petpets can be painted Yellow by using the Yellow Petpet Paint Brush item at the Petpet Puddle. In addition, the Petpet Lab Ray also has a random chance of turning the colour of a user's Petpet to Yellow.
Yellow is one of the four basic colours that users can choose when creating a Neopet using the Create a Neopet feature. As such, every Neopet is avaliabe in the colour Yellow as soon as it is released.
As of March 2012, there are 170 Petpets that can be painted Yellow:
- On June 29, 2005, the New Features page was themed Yellow.
- Famous Yellow Neopets: Antola Maeir, Armin, Cawley Embith, Fauna, Fiorina, Garin, Hoban, Keetra Deile, Lilo Blumario, Lisha, Loryche, Orie Dinelle, Rohane, Tormund, Wyett Tuggins
- Rainbow Pool: Yellow
- Petpet Puddle: Yellow
- Neopets TCG: Cosmic Yellow Grundo, Yellow Acara, Yellow Aisha, Yellow Blumaroo, Yellow Bori, Yellow Bruce, Yellow Buzz, Yellow Chomby, Yellow Cybunny, Yellow Draik Egg, Yellow Elephante, Yellow Flotsam, Yellow Gallion, Yellow Gelert, Yellow Grarrl, Yellow Hissi, Yellow Ixi, Yellow Jetsam, Yellow JubJub, Yellow Korbat, Yellow Kougra, Yellow Krawk, Yellow Kyrii, Yellow Lenny, Yellow Mazzew, Yellow Meerca, Yellow Moehog, Yellow Mynci, Yellow Paint Brush, Yellow Poogle, Yellow Pteri, Yellow Quiggle, Yellow Ruki Yellow Scorchio, Yellow Skeith, Yellow Snorkle, Yellow Tonu, Yellow Techo, Yellow Wocky, Yellow Zafara