The designer has chosen the complementary colours blue and orange.

设计师选取了蓝和橙黄两种对比色。

《牛津词典》

Students mark the main ideas and important details with a pen or pencil, yellow or blue or orange.

学生们用黄色、蓝色或橙色的钢笔或铅笔标出主要思想和重要细节。

youdao

In the sea, it is yellow, orange, grey, green, brown or even blue.

在海里，它是黄色、橙色、灰色、绿色、棕色，甚至蓝色。

youdao

Many of the estimated 200 or so people wore ribbons colored orange and blue to symbolize the identity of the Sikh community.

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Growing up in Denver, the religious devotion one felt on cool fall Sunday afternoons was to the Temple of Orange and Blue.

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Owners inevitably paint the exteriors in a cheerful riot of bright red, green, orange, blue and yellow and line the un-air-conditioned cabs with teakwood to keep them cooler in India's searing heat.

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