This is the 15703rd most frequent Polish word.
szary
Gray.
In this sentence, 'szary' is used as an adjective modifying the noun 'sweter'. It refers to the color gray as an attribute of the sweater.
Mam szary sweter.
I have a gray sweater.
Here, 'szary' is an adjective directly describing 'kolor', highlighting characteristics usually associated with the gray color.
Szary kolor jest stonowany i elegancki.
The gray color is subdued and elegant.
In this context, 'szare' is an adjective that describes the appearance of the sky, indicating it's gray and usually implying overcast weather.