Multi-colour printing: Colour printing not limited by the use of process colours. Any number of colours and any special colours may be used.

多色印刷：可用任何数量任何特别颜色的印刷，不受四色彩印所用的颜色限制。 印刷业翻译。

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Obviously, where some text links are on different backgrounds, such as in navigation bars, they may need to use special colours or treatments.

很显然，当超链接位于不同的背景时，如：位于导航条内，那么我们将对其使用特别的颜色和效果。

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Troops raised the country's colours in a special ceremony.

军队在一次特殊仪式上升了国旗。

《柯林斯英汉双解大词典》

Amplifiers, for instance, will not boost all colours equally, so special devices are necessary to compensate.

ECONOMIST: Optical communications

Special LED fittings were used so the tower can be lit up in different colours, the department said.

BBC: Isle of Man's Tower of Refuge illuminated