"使呈现暗色轮廓" can be translated into English as "to render a dark silhouette" or "to create a dark outline".
Here are some example sentences:
1、 The lighting in the scene was arranged to render a dark silhouette of the main character.
(场景中的灯光被布置成使主角呈现出暗色轮廓。)
2、 The artist used a special technique to create a dark outline around the subject, making it stand out against the background.
(艺术家使用了一种特殊技术,在主体周围创建了暗色轮廓,使其在背景中脱颖而出。)