Press "Get" button to add palette to your local Palettes list
In order for the added palettes to appear in the list, you may need to reload the game page
Palettes list can opened by pressing on three dots on right-most color bar (or by F2 key) when in room
𝐿𝑖𝑔ℎ𝑡 𝑐𝑜𝑙𝑜𝑟𝑠 (colores claros)
and if it was just for fun..
legendary wubbox pallete :>