Steampunk is one of the many colours available to Neopets. This colour is associated with Moltara and is based on the sci-fi style of the same name. Steampunk pets are brown with scrap metal parts and misc. things you would see in a wikipedia:steampunk world.
This colour was released on January 28, 2018 after it won the colour poll with Toy and Origami being the runner-ups. Users can change their pet to Steampunk by using a Steampunk Paint Brush on them at the Rainbow Pool or taking them to the Lab Ray. Users also have the opportunity to change their pet by completing a Fountain Faerie Quest.