Job 6:16
which are black by reason of the ice, in which the snow hides itself.
World English Bible (Public Domain)
In context
Before · Job 6:14–15
14“To him who is ready to faint, kindness should be shown from his friend; even to him who forsakes the fear of the Almighty. 15My brothers have dealt deceitfully as a brook, as the channel of brooks that pass away;
16which are black by reason of the ice, in which the snow hides itself.