SO+tint

http://dictionary.reference.com/browse/tint

http://bbs.chinadaily.com.cn/attachments/month_0809/autumn_d2ofFzMkZ601.jpg

Tint, in this context means that the tint of gold is the true, delicate, and pure color of gold. This line is very effective because when I read it I was taken away to a perfect fall day when there were leaves everywhere of all different colors and there was a breeze that blew them all over the place.

The picture above is a great example of autumn.