The cloth has lost its colour.

这布掉色了。

《新英汉大辞典》

I think these new ways of working have meant that my sketches have lost some of their beauty and their colour.

我想，这些新的工作方式意味着我的草图失去了一些美感和色彩。

youdao

Having lost the top spot to HP, Dell has started to give itself a makeover: selling through Wal-Mart, a retail giant, for example, and adding colour to some products.

在将榜首位置让与惠普之后，戴尔开始了自我改造：例如，通过零售业巨头沃尔玛进行销售，同时为一部分产品外型增加色彩。

youdao

Chagall never lost his feel for colour.

ECONOMIST: Marc Chagall

Less well known, in part because one of his four original notebooks was until recently believed to have been lost, are the designs he made to be printed in colour on fabric.

ECONOMIST: Henry Moore's fabrics

Earlier in the day the Chaplain of the Fleet consecrated the new Colour in a special service, which included a minute's silence for those who have lost their lives serving the country.

BBC: Queen presents fleet with Colour