The lettering stood out well against the dark background.

那种字体在深色背景下十分醒目。

《牛津词典》

But what strikes me is the contrasting colors, the white dress and the dark background.

但是让我印象深刻的是对比鲜明的颜色，白色的裙子和黑色的背景。

youdao

Your eyes can more easily read white words on a dark background.

在电脑屏幕上阅读时可将文本调成暗色，字体变成白色，黑色背景白色字体更适宜眼睛。

youdao

Against a dark background, Lady Thatcher is pictured dressed in black, wearing jewellery and a radiant smile.

BBC: Newspaper review: Margaret Thatcher's legacy considered

In its own contribution, the Google web search engine is putting a dark background on its homepage.

BBC: Cities dim lights for environment

"He used local materials and used the dark background in order to quickly realise the figures, " she told a news conference.

BBC: Restored Caravaggio's Lazarus is shown in Rome