This is the 12807th most frequent Portuguese word.
vermelhos
"Vermelhos" means "reds" in English.
In this sentence, 'vermelhos' is used as a plural adjective describing the color of the tomatoes. It agrees in gender and number with the plural masculine noun 'tomates'.
Os tomates no supermercado são vermelhos.
The tomatoes in the supermarket are red.
Here, 'vermelhos' describes the change in color of the masculine plural noun 'plátanos', functioning as a plural adjective.
No outono, as folhas dos plátanos ficam vermelhos.
In autumn, the maple leaves turn red.
In this case, 'vermelhos' identifies the color tones (plural masculine 'tons') seen in the cat's eyes under specific lighting conditions.