They're OK. The second one is, I think, more interesting.
Are these good?
1. The tower in the western part of the city was a orange silhouette against the setting rays of sun.
2. With the setting sun behind it, the tower in the western part of the city was a black silhouette against the reddish orange sky.
They're OK. The second one is, I think, more interesting.
Not a professional teacher
So, can I say a silhouette has a color other than black?
Orange silhouette
Pinkish silhouette
Reddish silhouette
I suppose. Admittedly, it's not a word I see every day.
Not a professional teacher
I don't think so. A silhouette is an outline of an object in darkness against a background of light, e.g. the sky during sunrise or sunset. There is probably a tinge of diffused light within the darkness.
I am not a teacher or a native speaker.
Here in the South they say a orange.![]()
Not a professional teacher