Nuna has revamped their color lineup on all of their car seat, including the Pipa, Pipa Lite, Pipa Lite LX, Rava, and Aace booster for 2019. The actual car seats are not different, but rather all are free from flame-retardants and chemicals.
The color lineups will be as follows:
2019 Nuna Rava: new pink (to be named), Aspen, Caviar, Granite and Frost
2019 Nuna Aace: Caviar, Aspen and Charcoal
2019 Nuna Pipa Lite LX: Caviar, Aspen, Granite, Frost and Birch. Birch and Granite have a cognac handle
2019 Nuna Pipa Lite: Aspen, Caviar, Frost
2019 Pipa: Frost, Birch, Granite and Caviar - all of which feature a cognac handlebar.