What is the color of the sky water turquoise?

Light green is actually the name of the fabric. When it was dyed, the undyed silk was left out in the open overnight, and the silk changed because of the dew, and surprisingly dyed green.

The three have said yes, but my art teacher said the first one more,, and many of my classmates said the second, personally like the third,,, more oil painting sense,, but exactly how it is not known.