YOU SAID:

The color of the sky is blue, except sometimes it rains and turns grey.

INTO JAPANESE

空の色は青ですが、時々雨が降り灰色になります。

BACK INTO ENGLISH

The color of the sky is blue, but it sometimes rains and turns gray.

INTO JAPANESE

空の色は青ですが、時々雨が降って灰色に変わります。

BACK INTO ENGLISH

The color of the sky is blue, but it sometimes rains and turns gray.