This is the 6142nd most frequent Spanish word.
amarillas
"Amarillas" means "yellow" (plural) in English.
In this sentence, 'amarillas' is used as an adjective to describe the color of the leaves.
Las hojas del árbol son amarillas durante el otoño.
The leaves of the tree are yellow during autumn.
Here, 'amarillas' serves as an adjective for the flowers, specifying their color.
Compré unas flores amarillas para decorar la sala.
I bought some yellow flowers to decorate the living room.
In this example, 'amarillas' describes the walls of the house, indicating their color.