颜色的英文单词是color还是colors

英文单词是color，例如：

1.Nancy liked it well enough, but complained about the color.南希还蛮喜欢它，只是有点不满意它的颜色。

3.Troops raised the country's colors in a special ceremony.部队在一个特殊的仪式上升起了国旗。