Translation of "deep red" into Japanese

The deep red of the setting sun portended fine weather.

真っ赤な夕焼けは明日の晴天を告げた。

Urayamabuki ( a Japanese rose seen from the underside ) : While the right side is yellow , the reverse side is deep red .

裏山吹 : 表 が 黄 で 裏 が 紅 。