YOU SAID:
what is the color of the sky?
INTO JAPANESE
空の色は何ですか?
BACK INTO ENGLISH
What is the color of the sky?
INTO JAPANESE
空の色は何色ですか?
BACK INTO ENGLISH
What color is the sky?
INTO JAPANESE
空は何色ですか?
BACK INTO ENGLISH
What color is the sky?
That didn't even make that much sense in English.