This is the 8150th most frequent Korean word.
grey
The Korean word for "grey" is "회색," meaning a color that is a mix of black and white.
Here, '회색' refers to the color grey as a descriptive adjective describing the shirt.
내 셔츠는 회색이에요.
My shirt is grey.
In this sentence, '회색으로' indicates the transformation to the grey color of the sky.
하늘이 회색으로 변했어요.
The sky has turned grey.
Here, '회색' is used as a noun representing the color grey and is part of a statement about its symbolic interpretation.