YOU SAID:
blue black was for when
INTO JAPANESE
青い黒はいつだった
BACK INTO ENGLISH
When was the blue black?
INTO JAPANESE
青い黒はいつですか?
BACK INTO ENGLISH
When is blue black?
INTO JAPANESE
青い黒はいつですか?
BACK INTO ENGLISH
When is blue black?
That didn't even make that much sense in English.