Not easy to see against snow or a rock face.
Put it on and you won't be easily seen against the snow.
They stood out against the white snow quite remarkably well.
And I saw its shape in the distance against the snow.
It's not that small, and it'll be dark against the snow.
Her hair was loose over the shoulders, fire against snow.
The side of a young man's face was lying against the snow, close to hers.
I turned, and saw several black figures against the snow of the canyon, far below.
The shadow of a bird passed over me, blue against the snow.
It stood out against the dirty snow some two stories tall.