These are all white pearls, but the shade of white can still vary.

这些都是白珍珠，但白色的深浅程度仍会有所不同。

He used Akoya pearls, which are the traditional white round pearls you're probably familiar with.

他使用的是日本养殖珍珠，也就是你可能比较熟悉的传统白色圆形珍珠。

So technically white is not a colour but it is so useful to know different ways to describe white because there are so many like this is pearl white.

因此，严格说来，白色不是一种颜色，但了解描述白色的不同方式非常有用，因为像珍珠白这样的颜色太多了。